Knife - Essential Tool for Camping, Outdoor Adventure and collection

Born out of the growing demand of demanding professionals, Extrema Ratio presents ONTOS - a field knife designed to meet any challenge. The name, derived from the Greek “the thing,” represents the perfect synthesis of toughness, versatility and reliability. Compact yet extremely durable, ONTOS is the ideal companion in any situation, thanks to its partially serrated blade that always ensures a sharp, ready-to-use cut.

Its nylon thigh scabbard, equipped with the MOLLE system, is designed to stay firmly anchored even in the harshest conditions, when the soldier is forced to give up his primary tactical equipment. And for those seeking an extra level of preparedness, a survival kit, purchased separately, is available to attach directly to the knife sheath.

Intended Use: Heavy Utility
Production Type: Industrial
Country of manufacture: Italy
Blade: N690Co 58HRC stainless steel
Surface treatment: Burnishing MIL-C-13924
Handle: Forprene
Blade length: 168mm.
Blade thickness: 6.3mm.
Total length: 299mm.
Balance: advanced
Weight: 411g.
Sheath: nylon, MOLLE compatible
Packaging: cardboard box with Extrema Ratio logos
Notes: -

Extrema Ratio introduces three new color variants of the Shrapnel One: Total Black, Desert Dark Stone and Black Satin, maintaining the ruggedness and reliability of the original with a touch of style. This multi-role knife is ideal for bushcraft, outdoor and survival enthusiasts, perfect for both military and contractor activities. The 157 mm fixed blade, made of Böhler N690 steel (58 HRC), offers an optimal balance of hardness and strength, making it perfect for activities such as cutting wood or challenging situations.

The forprene handle provides a secure and comfortable grip, even in difficult conditions, while the full-flat rounded blade ensures excellent cutting power. The design includes a hand guard that enhances safety and ergonomics. The back of the blade features thumb serrations, increasing grip.

The ambidextrous Cordura sheath is durable and secure, featuring a blade lock that ensures safe carrying. With a MOLLE system on both sides, the scabbard can be easily attached to tactical vests and belts, with adjustable height and position for right- and left-handed people. Choose your version and get ready to explore!

Intended Use: Tactical/Military

Production type: Industrial
Country of manufacture: Italy
Blade: N690Co stainless steel hardened to 58HRC
Blade finish: Satin finish
Handle: Forprene
Blade length: 157mm.
Blade thickness: 6.3mm. on handle, 4mm. on blade
Total length: 287mm.
Weight: 289g.
Sheath: ambidextrous, cordura, compatible with M.O.L.L.E. system.
Packaging: cardboard box with Extrema Ratio logos
Notes: -

Extrema Ratio introduces three new color variations of the Shrapnel One model: Total Black, Desert Dark Stone and Black Satin, maintaining the ruggedness and reliability of the original with a stylish twist. This multi-role knife is ideal for bushcraft, outdoor and survival enthusiasts, perfect for both military and contractor activities. The 157 mm fixed blade, made of Böhler N690 steel (58 HRC), offers an optimal balance of hardness and strength, making it perfect for activities such as cutting wood or challenging situations.

The forprene handle provides a secure and comfortable grip, even in difficult conditions, while the full-flat rounded blade ensures excellent cutting power. The design includes a hand guard that enhances safety and ergonomics. The back of the blade features thumb serrations, increasing grip.

The ambidextrous Cordura sheath is durable and secure, featuring a blade lock that ensures safe carrying. With a MOLLE system on both sides, the scabbard can be easily attached to tactical vests and belts, with adjustable height and position for right- and left-handed people. Choose your version and get ready to explore!

Intended Use: Tactical/Military

Production type: Industrial
Country of manufacture: Italy
Blade: stainless steel N690Co hardened to 58HRC
Blade Finish: Dark Stonewashed
Handle: Forprene
Blade length: 157mm.
Blade thickness: 6.3mm. on handle, 4mm. on blade
Total length: 287mm.
Weight: 289g.
Sheath: ambidextrous, cordura, compatible with M.O.L.L.E. system.
Packaging: cardboard box with Extrema Ratio logos
Notes: -

Extrema Ratio introduces three new color variations of the Shrapnel One model: Total Black, Desert Dark Stone and Black Satin, maintaining the ruggedness and reliability of the original with a stylish twist. This multi-role knife is ideal for bushcraft, outdoor and survival enthusiasts, perfect for both military and contractor activities. The 157 mm fixed blade, made of Böhler N690 steel (58 HRC), offers an optimal balance of hardness and strength, making it perfect for activities such as cutting wood or challenging situations.

The forprene handle provides a secure and comfortable grip, even in difficult conditions, while the full-flat rounded blade ensures excellent cutting power. The design includes a hand guard that enhances safety and ergonomics. The back of the blade features thumb serrations, increasing grip.

The ambidextrous Cordura sheath is durable and secure, featuring a blade lock that ensures safe carrying. With a MOLLE system on both sides, the scabbard can be easily attached to tactical vests and belts, with adjustable height and position for right- and left-handed people. Choose your version and get ready to explore!

Intended Use: Tactical/Military

Production type: Industrial
Country of manufacture: Italy
Blade: stainless steel N690Co hardened to 58HRC
Blade Finish: Burnishing MIL-C-13924
Handle: Forprene
Blade length: 157mm.
Blade thickness: 6.3mm. on handle, 4mm. on blade
Total length: 287mm.
Weight: 289g.
Sheath: ambidextrous, cordura, compatible with M.O.L.L.E. system.
Packaging: cardboard box with Extrema Ratio logos
Notes: -

Versa combines innovative design with unparalleled functionality. The name “Versa” perfectly embodies the characteristics of this knife: its versatility makes it suitable for a variety of situations, showing its adaptability both in urban environments as an EDC (Every Day Carry) knife and in more adventurous settings such as outdoor, survival, bushcraft, hunting and even tactical scenarios. It is also ideal as a backup knife. This knife is ready to meet every need by combining style and practicality in one tool. Versa comes in two distinct models: Versa Satin, perfect for everyday use and Versa Expeditions, more suitable in outdoor, survival and bushcraft settings.

Intended Use: Neck Knife / Hiking / Utility

Type of production: industrial
Country of manufacture: Italy
Blade: full tang, stainless steel N690Co at 58HRC
Blade finish: burnishing MIL-C-13924 with Dark Stone finish
Handle: monolithic, pierced, stainless steel N690Co at 58HRC
Blade length: 80mm.
Blade thickness: 6.3mm.
Total length: 180mm.
Weight: 110g.
Sheath: made of Kydex, for neck
Packaging: cardboard box with Extrema Ratio logos
Notes: Firesteel and kydex sheath included in package

Compact version of the CONTACT, the CONTACT C has a spearhead blade, in Böhler N690 steel with a hardness of 58 HRC, flat edge, lower guard branch and full-length lightening release.

The Forprene handle with locking by threaded tang makes the knife solid and well balanced.

The MOLLE compatible sheath is made of shockproof nylon with a system that avoids shaking noises, is equipped with a two-button safety flap, a thigh with anti-rotation rubber reinforcement and a reversible ambidextrous 2nd level retention system: the simple pressure on the trigger unlocks the blade.

Intended use: Tactical / Backup

Type of production: Industrial
Country of production: Italy
Blade: in N690Co 58HRC stainless steel
Blade treatment: Stonewashed
Handle: Forprene
Blade length: 128mm.
Blade thickness: 6.3mm.
Total length: 258mm.
Weight: 373g.
Sheath: Nylon
Packaging: Cardboard box with Extrema Ratio logos
Note: -

Intended use: hiking / Survivalism

Type of production: industrial
Country of manufacture: Italy
Blade: stainless steel N690Co 58HRC
Blade treatment: Dark Stone
Handle: anticorodal of 4.5mm
Blade length: 115mm.
Blade thickness: 6.3mm.
Length closed: 142
Total length: 262mm.
Weight: 330g.
Closure: modified front lock - threaded safety pin
Sheath: tactical Nylon with M.O.L.L.E. attachments suitable for both closed and open knife
Notes: diamond sharpener and fire starter included

Sethlans Expeditions, as well as the Sethlans model from which it derives, is a fixed blade work knife designed to deal with a wide range of situations, but also as a backup blade. The Sethlans Expeditions has been designed in collaboration with Daniele Dal Canto, Master Advanced F.I.S.S. (Federazione italiana survival sportivo e sperimentale) instructor.

Sethlans Expeditions has a Böhler N690 steel blade heat treated to 58 HRC with MIL-C-13924 burnishing and stone washed surface treatment (Dark Stone finish). The knife comes with desert colored G10 grips that feature the ergonomic design characteristic of Extrema Ratio handles. They can be removed to free the skeleton structure of the knife, allowing maximum lightness with minimum thickness.

For lovers of extreme customization, the full-tang structure allows the handle to be covered with paracord. The sheath is composed of a very light and minimalist Kydex part. It can be disassembled and can be adapted to both left- and right-handed people. The addition of an optional belt clip allows both vertical and horizontal positioning of the knife and makes the sheath much more versatile than the textile version. It is equipped with a mini pouch with M.O.L.L.E. system containing paracord with flammable filament to be used in case of emergency and/or critical weather conditions and a Firesteel for lighting fires.

Intended use: Survival / Bushcraft / Utility

Production type: Industrial
Country of Production: Italy
Blade: full tang in stainless steel N690Co 58HRC
Blade Finish: Burnishing MIL-C-13924 with Dark Stone finish
Handle: G-10
Blade length: 107mm.
Blade thickness: 6.3mm.
Total length: 224mm.
Weight: 207g.
Sheath: Kydex and cordura, M.O.L.L.E. compatible.
Package: Cardboard box with Extrema Ratio logos.
Notes: Designed and developed thanks to the collaboration with the instructor Daniele del Canto of F.I.S.S.S. (Federazione Italiana Survival Spotivo e Sperimentale).

Kreios Expeditions, as well as the Kreios model from which it derives, has been designed and developed thanks to the collaboration with the Master instructor F.I.S.S. (Federazione Italiana Survival Sportivo e Sperimentale) Daniele Dal Canto. It is defined by its creator as a sort of "off the road" of cutting tools, therefore not a specific disposable tool, but a multi-tasking tool, extremely versatile and designed to cope with many uses.

Thanks to its ergonomics, weight and size, Kreios Expeditions is suitable to open gaps in the thick vegetation, especially where it is necessary to take distance, for safety reasons, from thorny or harmful essences. Thanks to its robustness, it is an effective machete even in the heaviest field work. Combining the 32 cm of the "full flat" cutting edge, the 11° forward inclination of the blade and the 630 gr. of its weight, you get a tool with extraordinary cutting capabilities that does not fear bending.

Kreios Expeditions brings modern geometry and materials combined with the lines and effectiveness of blades typical of the Malaysian and African tradition, creating an ideal tool for field work but also, if necessary, for defense/offense. Kreios Expeditions is equipped with a desert color forprene handle and a BÖHLER N690 (58HRC) steel blade with MIL-C-13924 burnishing and stone washed surface finish (Dark Stone finish). It is supplied with a desert Cordura sheath with MOLLE system and strap for safety carry, equipped with a mini pouch containing paracord with flammable filament to be used in case of emergency and/or critical weather conditions and a Firesteel for lighting fires.

Intended Use: Chopper / Machete / Heavy Utility

Production type: Industrial
Country of Production: Italy
Blade: Stainless steel N690Co 58/60HRC
Blade Finish: Burnishing MIL-C-13924 with Dark Stone finish
Handle: Forprene
Blade Length: 324mm.
Blade thickness: 6.3mm.
Total length: 476mm.
Weight: 642g.
Sheath: Cordura, M.O.L.L.E. compatible.
Package: Cardboard box with Extrema Ratio logos.
Notes: Designed and developed thanks to the collaboration with the instructor Daniele del Canto of F.I.S.S.S. (Federazione Italiana Survival Spotivo e Sperimentale).

DMP is a multi-role knife characterized by a strong versatility of use thanks to the small dimensions. The drop point blade with reinforced tip is particularly useful for heavy duty use. The full flat rounding gives excellent cutting characteristics.

The sheath is minimalist, stripped of most of the fabric adopting a retention system of 2nd level, going to recall the style of the model to which it is inspired. The main shell is made by injection in shockproof nylon. The secondary retention system is reversible for the ambidextrous portability of the knife.

Intended Use: Tactical / Multi-role

Production type: Industrial
Country of Production: Italy
Blade: Stainless steel N690Co 58HRC
Blade Treatment: Burnishing MIL-C-13924
Handle: Forprene
Blade length: 152mm.
Blade thickness: 6.3mm.
Total length: 282mm.
Weight: 283g.
Sheath: Nylon
Packaging: Cardboard box with Extrema Ratio logos.
Notes: -

DMP is a multi-role knife characterized by a strong versatility of use thanks to the small dimensions. The blade, drop point shape with reinforced tip, is particularly useful for heavy duty use. The full flat rounding gives excellent cutting characteristics.

The sheath is minimalist, stripped of most of the fabric adopting a retention system of 2nd level, going to recall the style of the model to which it is inspired. The main shell is made by injection in shockproof nylon. The secondary retention system is reversible for the ambidextrous portability of the knife.

Intended Use: Tactical / Multi-role

Production type: Industrial
Country of Production: Italy
Blade: Stainless steel N690Co 58HRC
Blade Treatment: Stone Washed
Handle: Forprene
Blade length: 152mm.
Blade thickness: 6.3mm.
Total length: 282mm.
Weight: 283g.
Scabbard: Nylon
Packaging: Cardboard box with Extrema Ratio logos.
Notes: -

DMP is a multi-role knife characterized by a strong versatility of use thanks to the small dimensions. The blade, drop point shape with reinforced tip, is particularly useful for heavy duty use. The full flat rounding gives excellent cutting characteristics.

The sheath is minimalist, stripped of most of the fabric adopting a retention system of 2nd level, going to recall the style of the model to which it is inspired. The main shell is made by injection in shockproof nylon. The secondary retention system is reversible for the ambidextrous portability of the knife.

Intended Use: Tactical / Multi-role

Production type: Industrial
Country of Production: Italy
Blade: Stainless steel N690Co 58HRC
Blade Treatment: Stone Washed
Handle: Forprene
Blade length: 152mm.
Blade thickness: 6.3mm.
Total length: 282mm.
Weight: 283g.
Scabbard: Nylon
Packaging: Cardboard box with Extrema Ratio logos.
Notes: -

ERMES is the commemorative knife developed in collaboration with the Special Operations Helicopter Regiment (R.E.O.S.) which is part of the Army Aviation Command.

The R.E.O.S. is the operational unit of helicopters in support of special forces composed of personnel specifically trained and equipped to support military activities in any operational context.

The stylized guards of the knife represent the wings present in the heraldic coat of arms of the unit. The steel used is the reliable Bölher N690Co heat treated to 58 HRC. Fiber Reinforced Nylon (FRN) polyamide polymer was chosen for the handle. The hybrid Kydex and fabric sheath is equipped with belt or harness attachment with MOLLE interface system.

It is available in two versions:
"ERMES SATIN ORDINANZA" with satin finish blade and ABS case.
"ERMES BLACK OPERATIVO", with the burnished blade.

Intended use: Collection / Tactical

Production type: Industrial
Country of Production: Italy
Blade: Stainless steel N690Co 58HRC
Blade Treatment: Satin finish
Handle: FRN (Fiberglass Reinforced Nylon)
Blade length: 140mm.
Blade thickness: 6.3mm.
Total length: 256mm.
Weight: 229g.
Sheath: Kydex and Fabric with MOLLE type hooking system.
Package: Commemorative case in ABS with the logos of the department
Notes: Commemorative knife developed in collaboration with the Regiment Helicopters for Special Operations (R.E.O.S.)

ERMES is the commemorative knife developed in collaboration with the Special Operations Helicopter Regiment (R.E.O.S.) which is part of the Army Aviation Command.

The R.E.O.S. is the operational unit of helicopters in support of special forces composed of personnel specifically trained and equipped to support military activities in any operational context.

The stylized guards of the knife represent the wings present in the heraldic coat of arms of the unit. The steel used is the reliable Bölher N690Co heat treated to 58 HRC. Fiber Reinforced Nylon (FRN) polyamide polymer was chosen for the handle. The hybrid Kydex and fabric sheath is equipped with belt or harness attachment with MOLLE interface system.

It is available in two versions:
"ERMES SATIN ORDINANZAR" with satin finish blade and ABS case.
"ERMES BLACK OPERATIVO", with the burnished blade.

Intended use: Collection / Tactical

Production type: Industrial
Country of Production: Italy
Blade: Stainless steel N690Co 58HRC
Blade Treatment: Burnishing Mil-C-13924
Handle: FRN (Fiberglass Reinforced Nylon)
Blade length: 140mm.
Blade thickness: 6.3mm.
Total length: 256mm.
Weight: 229g.
Sheath: Kydex and Fabric with MOLLE type hooking system.
Packaging: Cardboard box with Extrema Ratio logos.
Notes: Commemorative knife developed in collaboration with the Regiment Helicopters for Special Operations (R.E.O.S.)

After the success of the FULCRUM multirole knife, the civil bayonet version NFG (No Fixing Gears, without rifle attachment) was born. Like the FULCRUM, the bayonet is an extremely robust and versatile knife, the blade withstands breaking loads exceeding 150 kg, the tip is very robust and the profile allows you to work for a long time with the knife without affecting the sharpness of the last section . The advanced center of gravity and the weight of the blade make it suitable for heavy field work.

Intended use: tactical / military / multirole

Blade: N690Co 58HRC stainless steel
Handle: removable, in Forprene
Blade length: 180mm.
Blade thickness: 6.3mm.
Closed Length: -
Total length: 310mm.
Balance: advanced, 1.5 cm from the lower guard branch
Weight: 330g.
Closing: -
Clip: -
Sheath: modular tactical, from thigh or belt, in Nylon and Kydex, with blade attachment system for cutting with wire cutters
Notes: diamond sharpener integrated in the sheath - civil version, without rifle couplings

The Herring dagger is one of the most loved military knives by enthusiasts.

Its original name is Fairbairn Sykes or Commando Dagger and it was present in the endowment of the British Commandos.

A dagger that entered Italian history in World War II, thanks to the exploits of young soldiers of the 1st "Folgore" Reconnaissance Squadron, who were equipped with this weapon during Operation Herring. He has behind him a heroic piece of history that is rarely talked about, despite the fact that these young boys, thanks to their devotion to the cause and their courage, have written an important page in Italian history.

Extrema Ratio wanted to pay homage to this dagger trying to remain faithful to the original forms, while using the most modern production techniques.

The very special hand-made finish of the handle simulates the aging of brass and gives the dagger a dated look, similar to the original.

The dagger was developed in collaboration with the 185th RAO and adopted as a ceremonial commemorative dagger for the 20th anniversary of the regiment's establishment and the 75th anniversary of the Herring mission.

The knife is equipped with a polymer case with historical frieze of the F Squadron, leather / kydex sheath with brass tip and two commemorative scrolls.

PLEASE NOTE:
NE version, simulacrum replica with rounded tip and blunt blade, to allow free sale and possession according to the current regulations in force on the Italian territory.

We warn that any subsequent modifications and sharpening made to the blade modify the status of simulacrum of the Herring NE. In this case it will be subject to the regulations in force in the respective countries. Furthermore, these changes will void the Extrema Ratio warranty.

Intended use: Collection / Tactical

Type of production: Industrial
Country of production: Italy
Blade: not sharp, in stainless steel N690Co 58HRC
Blade treatment: Burnishing MIL-C-13924
Handle: Aged brass
Blade length: 167mm.
Blade thickness: 6.3mm.
Total length: 289mm.
Weight: 276g.
Sheath: leather, ABS and brass sheath
Packaging: Polymer case with historical frieze of Squadron F and 2 commemorative scrolls
Note: -

The "Extrema Ratio Sethlans" is a fixed blade work knife created to face a wide range of situations, suitable for survival, bushcraft, prepping, but also as a backup blade. The Sethlans is available in two versions with two different types of steel.

Black version that uses D2 steel, heat treated and cryogenically treated at 60 HRC, which has a high resharpening capacity even with makeshift tools. To give greater qualities of hardness and resistance, the blade is coated with the new Teflon-based product "EXP DARK", proposed by Extrema Ratio.

The knife comes with G10 grips that feature the ergonomic design characteristic of Extrema Ratio handles. They can be removed by releasing the skeletonized structure of the knife, which allows maximum lightness with minimum thickness. For lovers of extreme customization, the full-tang structure allows the handle to be covered with a paracord cord.

The sheath is composed of a part in very light and minimalist Kydex. It can be disassembled and can be adapted for both left and right handed users. The addition of an optional belt clip allows the knife to be positioned both vertically and horizontally and makes the sheath much more versatile than the textile version. It is also equipped with a mini pouch with M.O.L.L.E. system. containing a double-sided stone for sharpening and a firesteel for lighting fires.

Intended use: Hiking / Bushcraft

Country of Production: Italy
Type: Fixed Blade
Blade length: 107mm
Total length: 224mm
Blade thickness: 6.3mm
Sharpening: Flat edge
Weight: 207g
Blade Material: D2 Steel (60HRC)
Blade finish: Teflon-based Exp Dark
Handle: G10
Notes: designed in collaboration with Daniele Dal Canto, Master Advanced F.I.S.S.S. (Italian Federation of Sports and Experimental Survival).

The "Extrema Ratio Sethlans" is a fixed blade work knife created to face a wide range of situations, suitable for survival, bushcraft, prepping, but also as a backup blade. The Sethlans is available in two versions with two different types of steel.

Stone Washed version that uses Böhler N690 heat treated at 58 HRC, chosen for the reliability it has shown over the last 20 years due to its resistance to oxidation and durability of the wire.

The knife comes with G10 grips that feature the ergonomic design characteristic of Extrema Ratio handles. They can be removed by releasing the skeletonized structure of the knife, which allows maximum lightness with minimum thickness. For lovers of extreme customization, the full-tang structure allows the handle to be covered with a paracord cord.

The sheath is composed of a part in very light and minimalist Kydex. It can be disassembled and can be adapted for both left and right handed users. The addition of an optional belt clip allows the knife to be positioned both vertically and horizontally and makes the sheath much more versatile than the textile version. It is also equipped with a mini pouch with M.O.L.L.E. system. containing a double-sided stone for sharpening and a firesteel for lighting fires.

Intended use: Hiking / Bushcraft

Country of Production: Italy
Type: Fixed Blade
Use: Survival, bushcraft, prepping
Blade length: 107mm
Total length: 224mm
Blade thickness: 6.3mm
Sharpening: Flat edge
Weight: 207 g
Blade Material: Böhler N690Co Steel (58HRC)
Blade Finish: Stone Washed
Handle: G10
Notes: designed in collaboration with Daniele Dal Canto, Master Advanced F.I.S.S.S. (Italian Federation of Sports and Experimental Survival).

The Extrema Ratio Frame Rock is a new knife, based on the Ti-Rock project, a successful frame-lock knife made by Extrema Ratio in 2016 exclusively for Coltelleria Collini.

The Extreme Ratio Frame Rock is characterized by the titanium handle that offers great resistance while being very light. The integrity of the frame-lock locking system is guaranteed against wear by an easily replaceable hardened steel insert.

Unlike its drop-point predecessor, the Rock frame has a spearpoint blade 75 mm long, 6.0 mm thick, equipped with fuller for further lightening. The blade is made of Bohler N690 steel, heat treated to a hardness of 58 HRC. The same is available in black finish with DLC or satin finish.

To make the opening even more fluid and free of uncertainties, the blade rotates on ball bearings. This mechanism allows the user to adjust the force necessary to release the blade from the closed position.

The shape of the reversible clip allows a hidden port in the pocket, making the knife not visible from the outside. The large, solid handle and the well-proportioned blade allow this knife to tackle demanding tasks. Frame Rock weighs less than 200g, making it somewhat light for such a sturdy knife. It is supplied inside an ABS box.

Intended use: collection / CQD

Type of production: industrial
Blade: in N690Co stainless steel
Blade treatment: Black DLC
Country of production: Italy
Handle: in Titanium, machined from solid, with integral Frame Lock closure system with removable hinged and safe made of stainless steel
Blade length: 75mm.
Blade thickness: 6.3mm.
Total length: 181mm.
Weight: 193g.
Clip: stainless steel, reversible, deep pocket type and with tip up port
Notes: Conical Skull Crasher inserted in the shank
Box: in ABS with Extrema Ratio logos

The Extrema Ratio Frame Rock is a new knife, based on the Ti-Rock project, a successful frame-lock knife made by Extrema Ratio in 2016 exclusively for Coltelleria Collini.

The Extreme Ratio Frame Rock is characterized by the titanium handle that offers great resistance while being very light. The integrity of the frame-lock locking system is guaranteed against wear by an easily replaceable hardened steel insert.

Unlike its drop-point predecessor, the Rock frame has a spearpoint blade 75 mm long, 6.0 mm thick, equipped with fuller for further lightening. The blade is made of Bohler N690 steel, heat treated to a hardness of 58 HRC. The same is available in black finish with DLC or satin finish.

To make the opening even more fluid and free of uncertainties, the blade rotates on ball bearings. This mechanism allows the user to adjust the force necessary to release the blade from the closed position.

The shape of the reversible clip allows a hidden port in the pocket, making the knife not visible from the outside. The large, solid handle and the well-proportioned blade allow this knife to tackle demanding tasks. Frame Rock weighs less than 200g, making it somewhat light for such a sturdy knife. It is supplied inside an ABS box.

Intended use: collection / CQD

Type of production: industrial,
Blade: in N690Co stainless steel
Blade treatment: Satin finish
Country of production: Italy
Handle: in Titanium, machined from solid, with integral Frame Lock closure system with removable hinged and safe made of stainless steel
Blade length: 75mm.
Blade thickness: 6.3mm.
Total length: 181mm.
Weight: 193g.
Clip: stainless steel, reversible, deep pocket type and with tip up port
Notes: Conical Skull Crasher inserted in the shank
Box: in ABS with Extrema Ratio logos

The Giant Mamba has a "tanto" blade in 6.3 mm thick Böhler N690 steel with a hardness of 58 HRC, flat edge and full length lightening.

The Forprene handle with locking by threaded tang makes the knife solid and well balanced. The MOLLE compatible sheath is made of shockproof nylon with a conical opening for rapid insertion and extraction and a system that avoids shaking noises, it is equipped with a two-button safety flap, a thigh with anti-rotation rubber reinforcement and a reversible ambidextrous safety : simply pressing the trigger unlocks the blade.

 
Intended use: Tactical / Multirole

Type of production: Industrial
Country of production: Italy
Blade: in N690Co 58HRC stainless steel
Blade treatment: Satin
Handle: Forprene
Blade length: 163mm.
Blade thickness: 6.3mm.
Total length: 293mm.
Weight: 289g.
Sheath: Nylon
Packaging: Cardboard box with Extrema Ratio logos
Note: -

The Giant Mamba has a "tanto" blade in 6.3 mm thick Böhler N690 steel with a hardness of 58 HRC, flat edge and full length lightening.

The Forprene handle with locking by threaded tang makes the knife solid and well balanced. The MOLLE compatible sheath is made of shockproof nylon with a conical opening for rapid insertion and extraction and a system that avoids shaking noises, it is equipped with a two-button safety flap, a thigh with anti-rotation rubber reinforcement and a reversible ambidextrous safety : simply pressing the trigger unlocks the blade.

 
Intended use: Tactical / Multirole

Type of production: Industrial
Country of production: Italy
Blade: in N690Co 58HRC stainless steel
Blade treatment: Mil-C-13924 burnishing
Handle: Forprene
Blade length: 163mm.
Blade thickness: 6.3mm.
Total length: 293mm.
Weight: 289g.
Sheath: Nylon
Packaging: Cardboard box with Extrema Ratio logos
Note: -

Compact version of the CONTACT, the CONTACT C has a spearhead blade, in Böhler N690 steel with a hardness of 58 HRC, flat edge, lower guard branch and full-length lightening release.

The Forprene handle with locking by threaded tang makes the knife solid and well balanced.

The MOLLE compatible sheath is made of shockproof nylon with a system that avoids shaking noises, is equipped with a two-button safety flap, a thigh with anti-rotation rubber reinforcement and a reversible ambidextrous 2nd level retention system: the simple pressure on the trigger unlocks the blade.

Intended use: Tactical / Backup

Type of production: Industrial
Country of production: Italy
Blade: in N690Co 58HRC stainless steel
Blade treatment: Stonewashed
Handle: Forprene
Blade length: 128mm.
Blade thickness: 6.3mm.
Total length: 258mm.
Weight: 373g.
Sheath: Nylon
Packaging: Cardboard box with Extrema Ratio logos
Note: -

Compact version of the CONTACT, the CONTACT C has a spearhead blade, in Böhler N690 steel with a hardness of 58 HRC, flat edge, lower guard branch and full-length lightening release.

The Forprene handle with locking by threaded tang makes the knife solid and well balanced.

The MOLLE compatible sheath is made of shockproof nylon with a system that avoids shaking noises, is equipped with a two-button safety flap, a thigh with anti-rotation rubber reinforcement and a reversible ambidextrous 2nd level retention system: the simple pressure on the trigger unlocks the blade.

Intended use: Tactical / Backup

Type of production: Industrial
Country of production: Italy
Blade: in N690Co 58HRC stainless steel
Blade treatment: Stonewashed
Handle: Forprene
Blade length: 128mm.
Blade thickness: 6.3mm.
Total length: 258mm.
Weight: 373g.
Sheath: Nylon
Packaging: Cardboard box with Extrema Ratio logos
Note: -

Intended use: Tactical / Multirole

Type of production: Industrial
Country of production: Italy
Blade: stainless steel N690Co 58HRC
Blade treatment: Stone Washed
Handle: Forprene
Blade length: 162mm.
Blade thickness: 6.3mm.
Total length: 293mm.
Weight: 300g.
Sheath: in Nylon
Packaging: Cardboard box with Extrema Ratio logos
Note: -

Extrema Ratio developed the first knife of a new production line, called CONTACT.

It has a blade with a lance-shaped profile, a flat grinding and a diamond-shaped geometry. It has got a lower guard branch to protect itself from incidental cuts, upper jumping to improve grip, concave fuller along the length of the blade and a generous thickness blade (6.30mm) the now famous Requiem, revisited in proportions and in some technical features. The first of a new line of multipurpose knives.

The blade is made in Böhler N690 steel with a hardness of 58 HRC and a chemical burnishing coating for the Black version. All other colors in production have got a blade with Stone Washed finishing. The handle is still in forprene. It is more assembled by the side screws but thanks to the shank in truncated cone-shaped stainless steel that is screwed to the bottom and goes to fit inside a special seat, which makes it solid. In this way the knife is well balanced. The sheath is minimalist; most of the fabric has been cut off; it has got a 2nd level retention system, remembering the style of the model it was inspired by.

The main shell is injection-molded in shockproof nylon. The secondary retention system is reversible for ambidextrous users. The blade is guided through the conception of the blade. To extract the blade, to pressure the trigger will be sufficient, thus releasing the safety that holds securely in the sheath. In the horizontal slits of the sheath of a system, which fixes the blade to avoid shaking noises when it is stored inside. The back side of the nylon sheath is M.O.L.L.E. compatible.

The textile part is reduced to its minimum and has got the classic two-button safety strap with a belt loop Extrema Ratio aims to reduce the size of the knife, but not saving on the structural strength and safety accessories.

so be used as glass breakers

Intended use: Tactical / Multirole

Type of production: Industrial
Country of production: Italy
Blade: stainless steel N690Co 58HRC
Blade treatment: Stone Washed
Handle: Forprene
Blade length: 162mm.
Blade thickness: 6.3mm.
Total length: 293mm.
Weight: 300g.
Sheath: in Nylon
Packaging: Cardboard box with Extrema Ratio logos
Note: -

Extrema Ratio developed the first knife of a new production line, called CONTACT.

It has a blade with a lance-shaped profile, a flat grinding and a diamond-shaped geometry. It has got a lower guard branch to protect itself from incidental cuts, upper jumping to improve grip, concave fuller along the length of the blade and a generous thickness blade (6.30mm) the now famous Requiem, revisited in proportions and in some technical features. The first of a new line of multipurpose knives.

The blade is made in Böhler N690 steel with a hardness of 58 HRC and a chemical burnishing coating for the Black version. All other colors in production have got a blade with Stone Washed finishing. The handle is still in forprene. It is more assembled by the side screws but thanks to the shank in truncated cone-shaped stainless steel that is screwed to the bottom and goes to fit inside a special seat, which makes it solid. In this way the knife is well balanced. The sheath is minimalist; most of the fabric has been cut off; it has got a 2nd level retention system, remembering the style of the model it was inspired by.

The main shell is injection-molded in shockproof nylon. The secondary retention system is reversible for ambidextrous users. The blade is guided through the conception of the blade. To extract the blade, to pressure the trigger will be sufficient, thus releasing the safety that holds securely in the sheath. In the horizontal slits of the sheath of a system, which fixes the blade to avoid shaking noises when it is stored inside. The back side of the nylon sheath is M.O.L.L.E. compatible.

The textile part is reduced to its minimum and has got the classic two-button safety strap with a belt loop Extrema Ratio aims to reduce the size of the knife, but not saving on the structural strength and safety accessories.

so be used as glass breakers

Intended use: Tactical / Multirole

Type of production: Industrial
Country of production: Italy
Blade: stainless steel N690Co 58HRC
Blade treatment: Brunishing Mil-C-13924
Handle: Forprene
Blade length: 162mm.
Blade thickness: 6.3mm.
Total length: 293mm.
Weight: 300g.
Sheath: in Nylon
Packaging: Cardboard box with Extrema Ratio logos
Note: -

Extrema Ratio developed the first knife of a new production line, called CONTACT.

It has a blade with a lance-shaped profile, a flat grinding and a diamond-shaped geometry. It has got a lower guard branch to protect itself from incidental cuts, upper jumping to improve grip, concave fuller along the length of the blade and a generous thickness blade (6.30mm) the now famous Requiem, revisited in proportions and in some technical features. The first of a new line of multipurpose knives.

The blade is made in Böhler N690 steel with a hardness of 58 HRC and a chemical burnishing coating for the Black version. All other colors in production have got a blade with Stone Washed finishing. The handle is still in forprene. It is more assembled by the side screws but thanks to the shank in truncated cone-shaped stainless steel that is screwed to the bottom and goes to fit inside a special seat, which makes it solid. In this way the knife is well balanced. The sheath is minimalist; most of the fabric has been cut off; it has got a 2nd level retention system, remembering the style of the model it was inspired by.

The main shell is injection-molded in shockproof nylon. The secondary retention system is reversible for ambidextrous users. The blade is guided through the conception of the blade. To extract the blade, to pressure the trigger will be sufficient, thus releasing the safety that holds securely in the sheath. In the horizontal slits of the sheath of a system, which fixes the blade to avoid shaking noises when it is stored inside. The back side of the nylon sheath is M.O.L.L.E. compatible.

The textile part is reduced to its minimum and has got the classic two-button safety strap with a belt loop Extrema Ratio aims to reduce the size of the knife, but not saving on the structural strength and safety accessories.

so be used as glass breakers

SILENTE is the name of the knife taken from the motto "SICUT NOX SILENTES" by N.O.C.S. Central Security Operations Unit, special anti-terrorist unit of the State Police.

SILENTE was presented to the Department, the Authorities, the Minister of the Interior and the Chief of Police on the occasion of the forty-year ceremony of the foundation of the NOCS.

SILENTE is a unique model of its kind that fulfills equally unique needs: the handle is divided into two parts and creates the handle of a clamp placed in the end of the handle. With it, in addition to taking on everything that has the appropriate dimensions, it is possible to cut wire, wire, steel cables, etc. and last but not least, it can be used as a window breaker, given the tungsten carbide insert at the end.

The sheath protects the cutting edge during all these uses, allowing it to be used safely, but it can also release the blade with a fast and silent retention system. Adaptable to thigh use and applicable to the M.O.L.L.E system, it is integrated into the operator's equipment using the least possible space.

Intended use: Tactical / Multirole

Type of production: Industrial
Country of production: Italy
Blade: stainless steel N690Co 58HRC
Blade treatment: Brunishing Mil-C-13924
Handle: Forprene
Blade length: 163mm.
Blade thickness: 6.3mm.
Total length: 309mm.
Weight: 338g.
Sheath: in Nylon
Packaging: Cardboard box with Extrema Ratio logos
Notes: a multi-purpose pliers are integrated in the handle for cutting reticulated and cables or can also be used as glass breakers

After the success of the FULCRUM multi-role knife, the bayonet version was born. Like the FULCRUM, the bayonet is an extremely robust and versatile knife, the blade holds loads at break above 150 kg, the tip is very sturdy and the profile allows it to work for a long time with the knife without affecting the sharpening of the last section , which guarantees, together with the partial dorsal sharpening, to maintain the penetration capacity necessary for hand-to-hand combat against targets covered by heavy clothing, clothing and soft ballistic protections. The advanced center of gravity and the weight of the blade make it suitable for heavy field work. NFG version (No Fixing Gears, without rifle mount).

Intended use: tactical / military / multi-role

Blade: full tang in stainless steel N690Co 58HRC
Handle: removable in Forprene
Blade length: 180mm.
Blade thickness: 6.3mm.
Total length: 310mm.
Balancing: advanced, 1.5 cm from the lower guard branch
Weight: 378g.
Sheath: modular tactile with thread trimmer, thigh or belt, in Nylon and Kydex

Model: Lightened version of the classic Fulcrum Bayonet, with shearder, stone washed blade, desert handle and desert nylon sheath.

Intended use: tactical / military / multi-role

Blade: full tang in stainless steel N690Co 58HRC
Handle: dismountable in Forprene
Blade length: 180mm.
Blade thickness: 6.3mm.
Length closed: -
Total length: 310mm.
Balancing: advanced, 1.5 cm from the lower guard branch
Weight: 378g.
Closure: -
Clip: -
Sheath: modular tactical with shear, thigh or belt, in Nylon and Kydex
Note: -

The particular situation created in the early years of the 1914/18 war, now mired in increasingly complex and protected trenches and fortifications, favored the formation of men who, little by little, specialized in the coup.

Our assault units, the Arditi, had their dagger. It was obtained from the pieces cut away by the long blades of the Vetterli 1870 bayonets, which in the narrow trenches, in the corridors, between the reticulars were only an obstacle. It was certainly a rustic weapon, of recovery, not too beautiful but certainly inexpensive, light, not cumbersome and in expert hands also effective.

Today, on the occasion of the centenary, we remember this important page of Italian military history with a limited series of celebrations of 1918 copies. This version has a burnished blade, a polymer handle and a black cordura sheath.

Intended use: Tactical / Military / Collection

Type of production: Industrial
Country of production: Italy
Blade: stainless steel N690Co 58HRC
Blade treatment: Burnishing MIL-C-13924
Handle: Polymers
Blade length: 167mm.
Blade thickness: 6.3mm.
Total length: 270mm.
Weight: 224g.
Sheath: Nylon leg strap
Packaging: cardboard box with Extrema Ratio logos
Notes: Edition limited edition in 1918 copies - Edition to celebrate the hundred years of the Arditi of Italy

Target: Tactical / Military

Blade: Stainless Steel N690Co 58HRC
Handle: Kraton
Blade Length: 340mm.
Blade thickness: 6.3mm.
Blade Finishing: MIL-C-13924 Brushing
Total length: 493mm.
Balancing: advanced
Weight: 650g.
Sheath: Tactical, Nylon, Thigh

Target: Tactical / Military / Collection

Type of production: Industrial
Country of production: Italy
Blade: stainless steel N690Co 58HRC
Blade Treatment: Brush MIL-C-13924
Handle: Forprene
Blade length: 206mm.
Blade thickness: 6.3mm.
Total length: 345mm.
Weight: 500g.
Sheath: Nylon
Packing: Cardboard box with Extrema Ratio logos
Notes: Modern Reflection of the Gerber B.M.F. Built between the 80's and 90's

Knife developed together with the experts of the Department Jagdkommando materials, the special strength of the Austrian army.

The Task J is a multirole equipped with double guard to prevent accidental slippage of the hand on the blade. It comes with desert color standard of the knife sheath with automatic clutch, flap and stringer belt for fixing to the side. In it there is housed a flint connected to the sheath with a safety leash.

Use: Tactical
Type of production: Industrial
Production Country: Italy
Blade: Stainless steel 58HRC N690Co
Blade Treatment: Browning MIL-C-13924
Handle: Forprene
Blade length: 158mm.
Blade thickness: 6.3mm.
Overall length: 289mm.
Weight: 315g.
Sheath: Nylon thigh and ABS
Packaging: cardboard box with Extrema Ratio logos
Notes: fire steel including

NK3 is a small knife that extends the family of the neck knives Extrema Ratio.

It differs from the models NK1 and NK2 for the largest size of the blade-type "long" 70mm. The ergonomic grip is designed so as to prevent accidental cuts during withdrawal from the scabbard.

On the back it is formed a drain for the positioning of the thumb or index depending on use. The structure enables both use for work or cutting very effective for small precision work.

The Kydex sheath is a quick release and is supplied to the port of paracord knife in his neck.

intended use: Neck Knife
type of production: Industrial
production country: Italy
Blade: stainless steel N690Co 58 / 60HRC
Blade treatment: Desert Warfare
manicatura: stainless steel N690Co 58 / 60HRC
blade length: 70mm.
blade thickness: 6.3mm.
total length: 172mm.
Weight: 95g.
Sheath: Kydex, neck
Package: Cardboard box with logos Extrema Ratio
Notes: possibility of using the sheath with MOLLE systems or Tek-Lok (not included in the package)

NK3 is a small knife that extends the family of the neck knives Extrema Ratio.

It differs from the models NK1 and NK2 for the largest size of the blade-type "long" 70mm. The ergonomic grip is designed so as to prevent accidental cuts during withdrawal from the scabbard.

On the back it is formed a drain for the positioning of the thumb or index depending on use. The structure enables both use for work or cutting very effective for small precision work.

The Kydex sheath is a quick release and is supplied to the port of paracord knife in his neck.

intended use: Neck Knife
type of production: Industrial
production country: Italy
Blade: stainless steel N690Co 58 / 60HRC
Blade treatment: Stone Washed
manicatura: stainless steel N690Co 58 / 60HRC
blade length: 70mm.
blade thickness: 6.3mm.
total length: 172mm.
Weight: 95g.
Sheath: Kydex, neck
Package: Cardboard box with logos Extrema Ratio
Notes: possibility of using the sheath with MOLLE systems or Tek-Lok (not included in the package)

NK3 is a small knife that extends the family of the neck knives Extrema Ratio.

It differs from the models NK1 and NK2 for the largest size of the blade-type "long" 70mm. The ergonomic grip is designed so as to prevent accidental cuts during withdrawal from the scabbard.

On the back it is formed a drain for the positioning of the thumb or index depending on use. The structure enables both use for work or cutting very effective for small precision work.

The Kydex sheath is a quick release and is supplied to the port of paracord knife in his neck.

intended use: Neck Knife
type of production: Industrial
production country: Italy
Blade: stainless steel N690Co 58 / 60HRC
Blade treatment: Black PVD cat. MIL-C-13924
manicatura: stainless steel N690Co 58 / 60HRC
blade length: 70mm.
blade thickness: 6.3mm.
total length: 172mm.
Weight: 95g.
Sheath: Kydex, neck
Package: Cardboard box with logos Extrema Ratio
Notes: possibility of using the sheath with MOLLE systems or Tek-Lok (not included in the package)

Knife Traditional Chilean army combat, CORVO origins are mysterious, probably arrived in the New World alongside the Spanish Conquistadors who, in turn, had "appreciated" in the war against the Moors. Undoubted affinity with Jambiya, traditional Arab knife still typical accessory menswear Yemeni.

The CORVO, the protagonist of the Pacific War, was realized in many variants the most common of which are the "Corvo Curvo" with a blade that folds almost 90°, version to which we were inspired by the "Corvo Aracameño", longest but with gentle curvature of the blade, which favors more flexibility of use.

Intended use: Tactical Utility

Type of production: Industrial
Country of production: Italy
Blade: 58HRC stainless steel Bohler N690Co
Blade treatment: Browning MIL-C-13924
Handle: Forprene
Blade length: 176mm.
Blade thickness: 6.3mm.
Overall length: 307mm.
Weight: 362g.
Sheath: Nylon compatible with MOLLE system
Packaging: Cardboard box with Extrema Ratio logos

NK3 is a small knife that extends the family of the neck knives Extrema Ratio.

It differs from the models NK1 and NK2 for the largest size of the blade-type "long" 70mm. The ergonomic grip is designed so as to prevent accidental cuts during withdrawal from the scabbard.

On the back it is formed a drain for the positioning of the thumb or index depending on use. The structure enables both use for work or cutting very effective for small precision work.

The Kydex sheath is a quick release and is supplied to the port of paracord knife in his neck.

intended use: Neck Knife
type of production: Industrial
production country: Italy
Blade: stainless steel N690Co 58 / 60HRC
Blade treatment: Black PVD cat. MIL-C-13924
manicatura: stainless steel N690Co 58 / 60HRC
blade length: 70mm.
blade thickness: 6.3mm.
total length: 153mm.
Weight: 82g.
Sheath: Kydex, neck
Package: Cardboard box with logos Extrema Ratio
Notes: possibility of using the sheath with MOLLE systems or Tek-Lok (not included in the package)

NK3 is a small knife that extends the family of the neck knives Extrema Ratio.

It differs from the models NK1 and NK2 for the largest size of the blade-type "long" 70mm. The ergonomic grip is designed so as to prevent accidental cuts during withdrawal from the scabbard.

On the back it is formed a drain for the positioning of the thumb or index depending on use. The structure enables both use for work or cutting very effective for small precision work.

The Kydex sheath is a quick release and is supplied to the port of paracord knife in his neck.

intended use: Neck Knife
type of production: Industrial
production country: Italy
Blade: stainless steel N690Co 58 / 60HRC
Blade treatment: Black PVD cat. MIL-C-13924
manicatura: stainless steel N690Co 58 / 60HRC
blade length: 70mm.
blade thickness: 6.3mm.
total length: 153mm.
Weight: 82g.
Sheath: Kydex, neck
Package: Cardboard box with logos Extrema Ratio
Notes: possibility of using the sheath with MOLLE systems or Tek-Lok (not included in the package)

NK3 is a small knife that extends the family of the neck knives Extrema Ratio.

It differs from the models NK1 and NK2 for the largest size of the blade-type "long" 70mm. The ergonomic grip is designed so as to prevent accidental cuts during withdrawal from the scabbard.

On the back it is formed a drain for the positioning of the thumb or index depending on use. The structure enables both use for work or cutting very effective for small precision work.

The Kydex sheath is a quick release and is supplied to the port of paracord knife in his neck.

intended use: Neck Knife
type of production: Industrial
production country: Italy
Blade: stainless steel N690Co 58 / 60HRC
Blade treatment: Stone Washed
manicatura: stainless steel N690Co 58 / 60HRC
blade length: 70mm.
blade thickness: 6.3mm.
total length: 153mm.
Weight: 82g.
Sheath: Kydex, neck
Package: Cardboard box with logos Extrema Ratio
Notes: possibility of using the sheath with MOLLE systems or Tek-Lok (not included in the package)

NK2 is a small knife that extends the family of the Extrema Ratio neck knives.

It differs from the model NK1 for blade tip tanto styled and for the increased thickness. The ergonomic grip is designed so as to prevent accidental cuts during withdrawal from the scabbard.

On the back it is formed a drain for the positioning of the thumb or forefinger depending on use. The structure enables both use for very effective cutting work or for small precision work.The quick release Kydex sheath is supplied with paracord for carrying on the neck.

Intended use: Neck Knife
Type of production: Industrial
Production country: Italy
Blade: stainless steel N690Co 58 / 60HRC
Blade treatment: Black PVD cat. MIL-C-13924
Handle: stainless steel N690Co 58 / 60HRC
Blade length: 50mm.
Blade thickness: 6.3mm.
Total length: 129mm.
Weight: 69g.
Sheath: Kydex, neck
Package: Cardboard box with Extrema Ratio logo
Notes: possibility of using the sheath with MOLLE systems or Tek-Lok (not included in the package)

NK2 is a small knife that extends the family of the neck knives Extrema Ratio.

It differs from the model NK1 for blade-type "time" and for the increased thickness. The ergonomic grip is designed so as to prevent accidental cuts during withdrawal from the scabbard.

On the back it is formed a drain for the positioning of the thumb or index depending on use. The structure enables both use for work or cutting very effective for small precision work.The Kydex sheath is a quick release and is supplied to the port of paracord knife in his neck.

intended use: Neck Knife
type of production: Industrial
production country: Italy
Blade: stainless steel N690Co 58 / 60HRC
Blade treatment: Stone Washed
manicatura: stainless steel N690Co 58 / 60HRC
blade length: 50mm.
blade thickness: 6.3mm.
total length: 129mm.
Weight: 69g.
Sheath: Kydex, neck
Package: Cardboard box with logos Extrema Ratio
Notes: possibility of using the sheath with MOLLE systems or Tek-Lok (not included in the package)

Dobermann IV represents the evolution of the first and most 'classic model Extrema Ratio: Doberman.

This model is characterized by an extremely flexible use, from hunting to survive, so the Dobermann and IV 'was developed in two configurations, one tactical, the other sports.

97, the Doberman has evolved significantly and aesthetic design based on the evolution of taste and trends, while maintaining a consistent line to the original drawings. Dobermann IV makes the flexible use of structural strength and its main feature.

 

Intended use: Tactical / Collection

Type of production: Industrial
Production Lama: Italy
Blade: stainless steel N690Co
Treatment Lama: Satin
Handle: Forprene
Blade length: 185mm.
Blade thickness: 6.3mm.
Overall length: 315mm.
Weight: 360g.
Sheath: black leather, hand-stitched
Packaging: Cardboard box with logos Extrema Ratio
Notes: -

Intended use: military / tactical

Type of production: industrial
Production Blade: Italy
Blade: Stainless steel 58HRC N690Co
Treatment Blade: Testudo MIL-C-13924
Handle: 4.5mm anti-corrosion
Blade length: 115mm.
Blade Thickness: 6.3mm.
Length closed: 142
Overall length: 262mm.
Balancing: -
Weight: 330g.
Closure: front lock changed - safety pin threaded
Clip: -
Sheath: tactical nylon with attacks M.O.L.L.E. suitable for both the knife closed and open
Notes: diamond sharpener included

Dobermann IV rappresenta l'evoluzione del primo e piu' classico modello Extrema Ratio: il Doberman.

Questo modello è caratterizzato da un uso estremamente flessibile, dalla caccia alla sopravvivenza, per questo il Dobermann IV e' stato sviluppato in due configurazioni, una tattica, l'altra sportiva.

Dal 97, il dobermann ha subito notevoli mutamenti estetici e progettuali basati sull'evoluzione del gusto e delle tendenze, pur mantenendo una linea coerente ai disegni originali. Dobermann IV fa della flessibilità d'uso e della resistenza strutturale la sua caratteristica principale.

Destinazione d'uso: Tattico / Collezione

Tipo di produzione: Industriale
Produzione Lama: Italia
Lama: in acciaio inox N690Co
Trattamento Lama: Testudo
Manicatura: Forprene
Lunghezza lama: 185mm.
Spessore lama: 6.3mm.
Lunghezza totale: 315mm.
Peso: 360g.
Fodero: in Nylon e materiale plastico
Confezione: Scatola di cartone con loghi Extrema Ratio
Note: -

The Task series has been designed for all everyday cutting jobs.

The blade is partially symmetrical with a flat edge on both sides. The recessed part of the blade after the guard, which separates the sharpened part from the handle, has been realized by housing the index finger during use, creating a grip point near the sharpened part for a better control during the use of the knife.

This feature, together with the support grip on the back of the knife, allows a better grip while avoiding the sliding of the hand on the blade. In this way it is possible to carry out most of the cutting work by applying a higher pressure if necessary.

Intended use: Tactical / Sports

Type of production: Industrial
Lama production: Italy
Blade: N690Co stainless steel
Blade treatment: Testudo
Handle: Forprene
Blade length: 110mm.
Blade thickness: 6.3mm.
Length closed: -
Total length: 212mm.
Thick when closed: -
Balancing: -
Weight: 200g.
Closing: -
Clip: -
Sheath: ABS with Tek-Lok multi-position attachment
Packaging: Cardboard box with Extrema Ratio logos
Note: -
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Cutting knife designed for special tasks, specifically developed for the 9th Assault Paratrooper Regiment Col Moschin, an elite unit of the Folgore Brigade.

All knives in this series feature straight ergonomic KRATON handles designed to ensure a solid grip and facilitate a quick transition between Sabre Grip and Reverse Grip. A stainless steel Allen screw allows for field disassembly for maintenance and lubrication of the full tang, extending the knife's operational lifespan.

The sheath is suitable for airborne, underwater, and amphibious operations, and can be attached to belts or tactical gear.

Intended Use: Collection/Tactical/Military
Country of Manufacture: Italy
Blade: N690Co stainless steel, 58HRC
Blade Finish: MIL-C-13924 Black Coating
Handle: Removable, made of Kraton
Blade Length: 160mm
Blade Thickness: 6.3mm
Total Length: 290mm
Balance: Rearward, 1 cm behind the lower guard
Weight: 265g
Sheath: Modular tactical thigh or belt sheath, made of Nylon
Packaging: Cardboard box with Extrema Ratio logos
Notes: Developed and used by the 9th Assault Paratrooper Regiment Col Moschin of the Folgore Brigade of the Italian Army

Cutting knife for special uses, developed specifically for the 9th Parachute Assault Regiment Col Moschin, elite units of the brigade Thunderbolt.

All knives in this series have straight handles in KRATON from ergonomic design whose shape and size as well as a firm grip promotes the rapid change of grip from the starboard (Sabre Grip) to reverse (Reverse Grip). An allen screw in stainless steel allows the dismantling of the campaign for the maintenance and lubrication of the shank through increasing the operating life of the knife.

The sheath and 'suitable all'aviolancio and underwater and amphibian operations and' applicable to the belt or accoutrements.

Intended use: Collection / Tactical / Military

Blade: Stainless steel 58HRC N690Co GeoCamo
Handle: Kraton removable
Blade length: 160mm.
Blade Thickness: 6.3mm.
Length closed:-mm.
Total length: 290mm.
Balance: back, 1 cm. the branch of lower guard
Weight: 265g.
Closing: -
Clip: -
Sheath: tactical adjustable, from thigh or belt, Nylon
Notes: -

Intended use: tactical / military / multirole
Blade: full tang stainless steel N690Co 58HRC Desert Warfare
Handle: Removable in Forprene
Blade length: 180mm.
Blade Thickness: 6.3mm.
Closed Length: -
Overall length: 310mm.
Balancing: Advanced, 1.5 cm from the branch of the lower guard
Weight: 325g.
Closed: -
Clip: -
Sheath: modular tactical, from thigh or belt, Nylon and Kydex
Notes: -

Extrema Ratio Fulcrum Compact Testudo

After Shrapnel, Extrema Ratio gives us a second knife which, while having a total length of just 21 centimeters, it maintains all the technical / tactical previous models.

The Fulcrum C (compact) then goes to complete the series of Fulcrum fixed blade knife and turns out to be a robust and compact, suitable for use in emergency or concealed.

Occupation: knife backup
N690 steel blade with 58HRC coated testudo
Blade thickness: 6.3 mm.
Blade length: 110 mm.
Total length: 210 mm.
Handle in Forprene
ABS hard case with Tek-Lok coupling with automatic retention of the knife.

After the Shrapnel, Extrema Ratio gives us a second knife that, despite having a total length of only 21 centimeters, maintains all the technical / tactical characteristics of the previous models.

The Fulcrum C (compact) therefore completes the Fulcrum series with a fixed blade. Sturdy and compact knife, suitable for emergency or concealed use.

Intended use: Tactical / Sports

Type of production: Industrial
Country of production: Italy
Blade: N690Co stainless steel
Finish: camouflage coating
Handle: Forprene
Blade length: 110mm.
Blade thickness: 6.3mm.
Total length: 210mm.
Balancing: set back
Weight: 200g.
Sheath: rigid in ABS with Tek-Lok coupling with automatic knife retention system.
Packaging: Cardboard box with Extrema Ratio logos and manufacturer's certificates

RAO ACQUIRED FROM VERSION ' AIR FORCE
Folding knife made upon specific requests of the department of the Italian Army 185 ° RAO ( Target Acquisition Regiment ) and is now included the eponymous department . The knife supplied differs from the calendar for the total lack of writings or logos on the blade.

HISTORY ON THE DEPARTMENT :
The 185 ° RAO of the'' Thunderbolt '' and ' a department from the ancient tradition, but brand new . It was born April 3, 2000 following the reconfiguration of the 185 ° paratroopers land-based artillery regiment . Headquartered in Livorno, and ' a department atypical weapon of Artillery, currently placed in the basin of the Special Forces .

Composed entirely of volunteers , the 185 ° RAO selects its members through passing a physical test and a qualification course of modules '' in difficulty ' growing .'' The tasks assigned to the men of RAO are varied, but all delicate : it is to gather information on enemy targets and ' pass ' at his command . More 'in general , can' talk of '' reconnaissance '' in sensitive areas . '' E ' therefore obvious - underline the Army - that the activities ' of the buyer to occur mainly in hostile territory , in small groups acting on their own self-sufficient .''

The paratroopers of the RAO are specialists in the techniques of infiltration and exfiltration '' '' and are able to move into operational area '' up to 8-10 days without external supplies .'' '' They know how to evade capture , escape and escape from an ' area controlled by the enemy '' and, above all , as'' detect, determine and evaluate the objectives '' of strategic interest. Since 2002 , the year of reconfiguration , the detachments of the 185 th Regiment operated in all theaters of operation more ' hot : from the Balkans to Afghanistan, Iraq . Here performing reconnaissance especially for informational purposes in the medium and long-range surveillance of the area of responsibility ' of the Italian contingent .

Intended Use: Military / Tactical

Type of production : industrial
Production Blade: Italy
Blade: Stainless steel N690Co 58/60HRC Desert Warfare
Treatment Blade: GeoCamo
Handle : non corroding 4.5mm
Blade length: 118mm .
Blade Thickness: 6.3mm .
Length closed: 142
Total length: 261mm .
Balance: -
Weight: 335g .
Closure: front lock changed - safety pin threaded
Clip: -
Sheath: tactical nylon attacks by Vega Holster with MOLLE suitable for both closed and open the knife - colored desert
Notes: diamond sharpener included

Intended Use: Tactical/Military

Production type: Industrial
Country of Production: Italy
Blade: Steel N690Co 58HRC
Blade Finish: Testudo
Handle: Forprene
Blade Length: 140mm.
Blade thickness: 6.3mm.
Total length: 280mm.
Weight: 295g.
Sheath: Modular, cordura, with M.O.L.L.E system and with ABS inner shell
Packaging: black cardboard box with Extrema Ratio logos
Notes: -

This project, sponsored by the COFS (Special Forces Operational Command) in the person of Gen. Bertolini, had already been suggested by some collectors of vintage white weapons.

The restyling of the famous “paratrooper assault dagger mod. 1939,” constitutes an important piece of Italian military history. The knife, while borrowing its line, structure and proportions from the original, has been toughened, enriched with functional modifications and made with materials to modern military specifications.

The result of these few modifications is an extremely functional and effective dagger. The scabbard is ankle-high to be carried as Italian paratroopers usually carry their bayonets. The 39-09 ORDINANCE COFS version is the burnished version with COFS logo and motto, double scabbard, both ankle and parry, and engraved ABS case.

Intended Use: Tactical/Collection

Production Type: Industrial
Country of Production: Italy
Blade: Stainless steel N690Co 58HRC
Blade Finish: Burnishing MIL-C-13924
Handle: Forprene
Blade Length: 195mm.
Blade thickness: 6.3mm.
Total length: 315mm.
Balance: on the guard branch
Weight: 342g.
Sheaths: 1 Cordura and ABS thigh scabbard + 1 Cordura and ABS tactical scabbard
Packaging: ABS case with COFS and Extrema Ratio logos
Notes: -

ULTRAMARINE is the result of four years of research and development carried out by EXTREMA RATIO in collaboration with military sub-units of the Italian special units, divisions of law enforcement and civil professionals. The units responsible for underwater and amphibious operations use a series of specialized knives .The objective of the project is to replace all these knives with a single tool, versatile but at the same time, aimed at fulfilling all the functions required by the operators of these delicate specializations.

Intended use: military / sub / multi-role

Type of production: Industrial
Lama production: Italy
Blade: stainless steel N690Co 58HRC with groove spins shackles
Blade treatment: testudo
Handle: Non-slip abrasive polyamide, stainless steel skull crasher and Cordura elastic gripping system (Cordona)
Blade length: 150mm.
Blade thickness: 6.3mm.
Length closed: -
Total length: 298mm.
Thick when closed: -
Balancing: set back, at 4cm.
Weight: 390g.
Closing: -
Clip: -
Sheath: modular - soft shell in closed cell polyethylene foam, rigid ABS shell with cordura leg system with anti-extraction safety catch. It can also be used as a rigid thigh strap only with an ABS sheath or as a multi-position sheath thanks to the double Tek-Lok attachment included
Packaging: ABS case with Extrema Ratio logos
Notes: the package includes a spray lubricant, a small diamond sharpener placed in the sheath, a large diamond sharpener joined to the ABS sheath, spare straps to modulate the sheath, two Tek-Lok attachments, spare screws, or -ring replacement, rubber to clean the blade.
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WEIGHT: g 390
LAMINATION LENGTH: 180 mm
TOTAL LENGTH: 308 mm
LAMA (MAIN) THICKNESS: mm 6.3
BLADE STEEL: N690 (58HRC)
WASHING MATERIAL: NYLON
PARTIAL DENTAL: NO
FINISHINGS AND TREATMENTS: BRUNITA MIL-C-13924

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Intended Use: Tactical

Type of production: Industrial
Production Blade: Italy
Blade: Stainless steel N690Co
Treatment Blade: Testudo
Handle: Forprene
Blade length: 110mm.
Blade thickness: 6.3mm.
Length closed: -
Total length: 212mm.
Thick when closed: -
Balance: -
Weight: 209g.
Closing: -
Clip: -
Sheath: ABS
Packaging: Cardboard box with logos Extrema Ratio
Notes: