Hunting Knives: reliability and durability in the wild

KNIFE WITHDRAWN FROM PRIVATE COLLECTION
* Type: Previously Purchased 
* Condition: Very good condition
* Sharpening: Original
* Marks on blade: None
* Marks on handle: None
* Packaging: -
* Scabbard: original, leather, in excellent condition.
* Manuals, Certificates and Warranties: -
* Checked and Certified by our in-house laboratory.

Designed specifically for the seven Mercury Program astronauts, the Model 17 accompanied these pioneers on the United States' first manned space flights. Astronaut Gordon Cooper contributed to the final design of this knife, making it not only a survival tool, but also a piece of history. Two examples of this knife, rich in historical value, are currently on display at the Smithsonian Institution.

Intended use: utility/military

Type of production: handcrafted
Country of manufacture: USA
Blade: 440B stainless steel
Blade finish: satin-finished
Handle: micarta, brass and duralumin
Blade length: 140mm.
Blade thickness: 5mm.
Total length: 256mm.
Balance: on the guard branch
Weight: 252g.
Sheath: Black Leather
Notes: previously purchased knife, withdrawn from private collection

Source: Acquired from a private owner, previously purchased
Condition: Overall in excellent condition
Availability: NOT IN PRODUCTION SINCE 2009
Sharpening: Original
Blade marks: None
Handle marks: None
Box: NOT INCLUDED
Sheath: Black leather
Manuals, Certificates, and Warranty: Certificate of Authenticity
Inspection: Checked and certified by our internal laboratory

The Chris Reeve Ubejane Skinner is a high-quality hunting knife crafted in the United States by renowned artisan Chris Reeve. The term "Ubejane" means "rhinoceros" in Zulu, reflecting the tool's robustness and reliability. Manufactured between 1990 and 2009, the Ubejane Skinner is now a highly sought-after collector's piece.

Product details:

• Intended use: Collection/Hunting/Sport
• Production type: Semi-Handcrafted
• Country of origin: USA
• Blade: A2 steel with 55/57 HRC hardness
• Blade finish: Black anti-reflective Kalgard coating
• Handle: Hollow steel handle with knurling for a secure grip
• Blade length: 114 mm
• Blade thickness: 4.5 mm
• Closed length: Not applicable (fixed blade knife)
• Total length: 241 mm
• Closed thickness: Not applicable
• Weight: 326 g
• Lock: Not applicable (fixed blade knife)
• Clip: Not included
• Packaging: Black leather sheath; cardboard box not included
• Notes: Out of production since 2009; rare collectible item complete with original certificate

KNIFE FROM A PRIVATE COLLECTION
* Type: Knife previously purchased and withdrawn from a private collection
* Condition: Like new, never used, never removed from the original packaging, and never placed in its sheath
* Commercial availability: Hard to find
* Edge: Factory sharpened
* Blade marks: None
* Handle marks: None
* Box: -
* Sheath: Perfect, never used, in oiled leather
* Manuals, Certificates, and Warranties: -
Inspected and certified by our internal laboratory

Drop-point hunting knife, excellent for skinning and as a light all-around utility. The handle construction recalls a design from the 1930s. Thumb grooves and the upper part of the guard are shaped for thumb placement. The model features multiple customizations compared to the standard model, such as the single brass guard and pommel, handle in Deer wood and leather rings, and oiled leather sheath.

Intended use: hunting / light utility

Production type: Handcrafted
Country of production: Orlando, Florida, USA
Blade: high-carbon steel
Blade finish: satin finish
Handle: deer horn and leather rings, brass guard, and pommel
Blade length: 132mm.
Blade thickness: 4.5mm.
Total length: 245mm.
Weight: 275g.
Sheath: oiled brown leather, with belt loop, front button pocket, and sharpening stone
Notes: knife previously purchased, withdrawn from private collection, absolutely like new

KNIFE WITHDRAWN FROM PRIVATE COLLECTION
* Origin: Withdrawn from a private collection, previously purchased.
* Condition: Like new
* Commercially available: Discontinued, only made in 30 pieces
* Sharpening: Factory sharpened
* Marks on blade: None
* Marks on handle: None
* Box: Present
* Scabbard: Present
* Manuals, Certificates and Warranties: Present
* Checked and Certified by our in-house laboratory

Use: tactical, sporting, hiking, collection

Blade: integral, rolled Japanese stainless steel (San Mai) with 61.5HRC cryogenically hardened CoS cutting edge
Handle: forprene
Blade length: 90mm.
Blade thickness: 6.5mm.
Total length: 210mm.
Balance: set back 0.5cm. from the guard branch
Weight: 214g.
Sheath: ABS with multi-position Tek-Lok attachment
Notes:  new knife, withdrawn from private collections

This is a smaller version of Bo Randall's original knife, made in the Scagel knife style. 12.2 cm blade made of 4.5 mm thick stainless steel. This size and shape are popular with outdoor activity experts worldwide. It has a nickel silver guard and back cap and a handle made of authentic Indian deer antler. It weighs about 168 grams and comes with a brown leather sheath.

KNIFE WITHDRAWN FROM PRIVATE COLLECTION
* Type: Previously purchased, presumably produced in the late 1990s.
* Condition: Excellent condition
* Sharpening: Original
* Marks on blade: None
* Marks on handle: None
* Packaging: -
* Scabbard: original, leather, "Type A," in very good condition.
* Manuals, Certificates and Warranties: - -
* Checked and Certified by our in-house laboratory

Intended use: hunting/fishing

Type of production: handcrafted
Country of manufacture: USA
Blade: stainless steel 440B
Blade finish: satin
Handle: deerskin with through-guard and nickel silver tang
Blade length: 122mm.
Blade thickness: 4.5mm.
Total length: 245mm.
Balance: backward
Weight: 168g.
Sheath: brown leather with belt loop and sharpening stone
Notes: vintage knife, late 1990s, previously purchased, withdrawn from private collection

Randall Made Knives' Model 11 is the original drop-point blade. Designed in 1952 by Alaskan guide Tommy Thompson it is designed for skinning large prey, has the tip lowered below the top of the blade to avoid cutting too deeply into skins when using the tip first.

KNIFE WITHDRAWN FROM PRIVATE COLLECTION
* Type: Previously purchased, presumably produced in the late 1990s.
* Condition: Very good condition
* Sharpening: Original
* Marks on blade: A few small marks given by being placed in the sheath.
* Marks on handle: A few small marks on the duralumin pommel.
* Packaging: -
* Scabbard: original, leather, "Type A," in very good condition.
* Manuals, Certificates and Warranties: - -
* Checked and Certified by our in-house laboratory

Intended use: hunting

Type of production: handcrafted
Country of manufacture: USA
Blade: carbon steel O-1
Blade finish: satin finish
Handle: leather rings with brass through-guard and duralumin tang
Blade length: 118mm.
Blade thickness: 4.5mm.
Total length: 230mm.
Balance: backward
Weight: 210g.
Sheath: brown leather with belt loop and sharpening stone
Notes: vintage knife, late 1990s, previously purchased, withdrawn from private collection

This Model 19-4 Bushmaster from Randall Made Knives features a clip point blade with satin finish, false counterbore and serrated thumb rest. The handle consists of nickel silver through-guard and recoil pad with colored micarta spacers and monolithic curved deer antler grip. Includes original "Model A" leather sheath with belt loop and sharpening stone.

KNIFE WITHDRAWN FROM PRIVATE COLLECTION
* Type: Previously purchased, presumably produced in the late 1990s.
* Condition: Excellent condition
* Sharpening: Original
* Marks on blade: None
* Marks on handle: None
* Packaging: -
* Scabbard: original, leather, "Type A," in very good condition.
* Manuals, Certificates and Warranties: -
* Checked and Certified by our in-house laboratory

Intended use: hunting

Type of production: handcrafted
Country of production: USA
Blade: stainless steel 440B
Blade finish: satin
Handle: deer antler with through-guard and nickel silver recoil pad
Blade length: 115mm.
Blade thickness: 5.5mm.
Total length: 228mm.
Balance: set back
Weight: 281g.
Sheath: brown leather with belt loop and sharpening stone
Notes: vintage knife, late 1990s, previously purchased, withdrawn from private collection

CUCHILLO DE COLECCIÓN PRIVADA
* Tipo: Comprado Anteriormente 
* Condición: Muy buen estado
* Afilado: Original
* Marcas en la hoja: Ninguna
* Marcas en el mango: Ninguna
* Embalaje: -
* Vaina: original, cuero, en muy buen estado
* Manuales, Certificados y Garantías: - - * Comprobado y certificado por nuestro laboratorio interno.
* Comprobado y certificado por nuestro laboratorio interno

El Randall Model 1 Fighter fue uno de los primeros modelos producidos en el taller de Randall en Orlando. Un Modelo 1, fabricado por el propio Bo Randall, sirvió como prototipo para la Springfield Randall que fue producida por la Northampton Cutlery Company cerca de Springfield, Massachusetts, en 1943 y 1944 para uso del ejército estadounidense.

Uso previsto: táctico / militar

Tipo de fabricación: artesanal
País de fabricación: USA
Hoja: espiga completa en acero inoxidable 440B
Acabado de la hoja: satinado
Empuñadura: protector pasante de latón y empuñadura monolítica de micarta
Longitud de la hoja: 177 mm.
Grosor de la hoja: 5mm.
Longitud total: 295mm.
Equilibrio: en la rama de la guarda
Peso: 350g.
Funda: cinturón, cuero negro
Notas: Cuchillo comprado anteriormente, retirado de colección privada

KNIFE WITHDRAWN FROM PRIVATE COLLECTION
* Type: Previously Purchased
* Condition: Like new, never used
* Commercially available Discontinued
* Sharpening: Factory
* Marks on blade: No
* Marks on handle: No
* Box: Absent
* Scabbard: Present, original, like new
* Manuals, Certificates and Warranties: No
* Checked and Certified by our in-house laboratory

Intended Use: Collecting/Hunting/Sporting

Production type: Midtech
Country of Production: USA
Blade: A2 55/57HRC steel
Blade Treatment: gunkote
Handle: A2 55/57HRC steel with alluminium screwed cap
Blade length: 108mm.
Blade thickness: 4mm.
Total length: 205mm.
Weight: 203g.
Sheath: Black leather
Packaging: -
Notes: knife withdrawn from private collection like new, lacks packaging and certificates

KNIFE WITHDRAWN FROM PRIVATE COLLECTION
* Type: Previously Purchased
* Condition: Overall in good condition.
* Commercially available Discontinued
* Sharpening: Factory sharpened, improvable
* Marks on blade: No
* Marks on handle: Slight, on nickel silver heads.
* Box: Absent
* Scabbard: Original, leather, with a few small marks due to age.
* Manuals, Certificates and Warranties: Absent
* Checked and Certified by our in-house laboratory


Particular knife developed with the help of experienced falconers and especially Horst Niesters in the early 1970s.
The blade was designed to chop up food for raptors and to intercept game brought back by raptors during hunting trips. In the center of the blade is a small semicircular notch that serves to signal to the falconer that the edge is sharp from the tip of the blade to that exact point; the rest of the blade is kept blunt to protect the raptors.
PUMA's falconer's knife is designed to be very handy and absolutely practical, making it a reliable companion for hunting prey.


Intended Use: Collection / Vintage / Hunting

Type of production: semi-crafted
Country of manufacture: Germany
Blade: 440C stainless steel
Blade finish: satin-finished
Handle: wooden, with nickel silver guard and pommel
Blade length: 125mm.
Blade thickness: 3mm.
Total length: 242mm.
Balance: backward
Weight: 130g.
Sheath: leather
Packaging: -
Notes: Vintage 1970s knife - Withdrawn from private collection - Overall in very good condition

Knife withdrawn from private collection, dating back to the late 1980s, overall in very good condition - Never used, still has factory thread - Checked, certified by our in-house lab.

Intended use: Tactical / Collection

Type of production: handcrafted
Country of manufacture: USA
Blade: O1 carbon steel
Blade finish: satin finish
Handle: micarta and brass
Blade length: 190mm.
Blade thickness: 5.5mm.
Total length: 307mm.
Balance: on the guard branch
Weight: 414g.
Sheath: Leather
Notes: knife withdrawn from private collection dating back to the late 1980s, overall in very good condition

The Buck 124 was originally designed in 1966 as a dive combat knife called the Nemo. The model then went into production in 1967 and was offered with either a dive sheath (NEMO) or a leather sheath (FRONTIERSMAN). The knife was the same and has remained so to this day.

In the 1960s about 300 examples were produced and they had black phenolic handles with white Teflon spacers. Then in the 1970s it had a fluctuating production, with very poor sales numbers, until in '73 it was offered with a "Buckarta" (Micarta) handle and began to find favor with the public, with over 10000 examples sold until the early 1980s. Until 1983 model production remained high, and in 1984 a version of the FRONTIERSMAN with a Pakkawood handle was introduced; the 1984 version did not have the patent logos engraved, the 1985 version had the patent engravings, and from 1986 the knife began to have the production date engraved on the blade.

Therefore, our proposed model is from 1984.

Knife withdrawn from private collection - Classic Buck model dating from 1984, first series with wooden handle - Overall in very good condition, with no particular noticeable marks, with a few small scratches on aluminum guard and pommel - Scabbard in excellent condition - Original factory sharpening, but underperforming - Lacking box and certificates - Checked and certified by our in-house laboratory.

Intended Use: Hunting / Utility / Multirole / Collection

Type of production: Industrial
Country of manufacture: USA
Blade: full tang, 425M stainless steel
Blade finish: satin-finished
Handle: Pakkawood
Blade length: 159mm.
Blade thickness: 4.5mm.
Total length: 300mm.
Balance: backward
Weight: 377g.
Sheath: black leather
Packaging: absent
Notes: knife withdrawn from private collection, 1984 specimen, overall in very good condition

Knife from a private collection - First series, first generation, the first and original "Made in USA" Trailmaster from 1988 - Overall in good condition, shows small signs of oxidation on the blade and some minor signs of time on the leather sheath - Product does not appear to have the original factory sharpening, but still has no signs of wear - Supplied with its own original leather sheath, but lacking box and manuals - Checked and certified by our in-house lab.

Intended use: collection

Type of manufacture: Industrial
Country of manufacture: USA
Blade: Carbon V steel
Blade treatment: satin finish
Handle: kraton and brass
Blade length: 240mm.
Blade thickness: 8mm.
Total length: 370mm.
Balance: advanced
Weight: 515g.
Sheath: black leather
Packaging: without original box
Notes: knife from private collection, first series, produced in 1988, overall in good condition.

Vintage knife produced in Portland in 1972 characterized by an extremely penetrating full flat type of sharpening, designed specifically for hunting use - Knife withdrawn from private collection - Overall in very good condition - Never used, a few small marks on the leather sheath, due to the passage of time - Free of packaging - Checked and certified by our internal laboratory Coltelleria Collini

Intended use: Collection / Vintage / Hunting

Type of production: industrial
Country of manufacture: USA
Blade: 440C stainless steel
Blade finish: mirror polish
Handle: stainless steel guard and pommel, brass spacers, macassar ebony handle
Blade length: 115mm.
Blade thickness: 3mm.
Total length: 225mm.
Balance: backward
Weight: 191g.
Sheath: leather
Packaging: -
Notes: Vintage knife from 1972 - Withdrawn from private collection globally in very good condition - Unpacked

Rare knife produced by Chris Reeve in 2007 and no longer in production since 2013. Knife from a private collection in like new condition, with original sheath, without original box and certificate. Checked and certified by our internal laboratory.

Intended use: sports / hunting

Blade: CPM-S30V 58 / 59HRC stainless steel
Blade treatment: stonewash finish
Handle: Cocobolo wood
Blade length: 88mm.
Blade thickness: 3.5mm.
Closed Length: -
Total length: 201mm.
Balancing: set back
Weight: 76g.
Closure: -
Clip: -
Sheath: in leather
Notes: inyoni in Zulu means bird

Rare hunting knife produced around the 1980s by the Indian company from Maniago. This extremely innovative knife for the years of production, is characterized by a handle entirely made of aluminum with natural horn insert. Excellent blade geometry for hunting and outdoor use

Intended use: Collection

Type of production: semi-artisanal
Blade: 440 stainless steel
Production Lama: Italy
Handle: aluminum and horn
Blade length: 90mm.
Blade thickness: 3mm.
Closed length: 125mm.
Total length: 220mm.
Balancing: -
Weight: 125g.
Closure: back lock
Clip:
Sheath: -
Note: -

Rare hunting knife produced around the 1980s by the Indian company from Maniago. This extremely innovative knife for the years of production, is characterized by a handle entirely made of aluminum with natural horn insert. Excellent blade geometry for hunting and outdoor use

Intended use: Collection

Type of production: semi-artisanal
Blade: 440 stainless steel
Production Lama: Italy
Handle: aluminum and horn
Blade length: 90mm.
Blade thickness: 3mm.
Closed length: 125mm.
Total length: 220mm.
Balancing: -
Weight: 125g.
Closure: back lock
Clip:
Sheath: -
Note: -

Japanese steel blends with Italian excellence

For this 2020 collaboration, exclusive of Collini Cutlery, we have decided to propose a series of best sellers produced by Extrema Ratio. Knives made with the famous San Mai steel produced by the Japanese Takefu Steel. Specifically, we used V-Toku2 carbonaceous at 62 / 63HRC for the central plate and SUS410 stainless steel for the two external plates, in order to guarantee a very high cutting capacity, penetration and sealing of the wire together with an ease of re-sharpening. and maintenance but at the same time the blade has a remarkable resistance to corrosion and an important increase in resilience given by the type of external steel and by the laminated structure.

Col Moschin model: for this First Production Run a run of 11 pieces was produced, numbered from 1 to 11.

Special purpose cutting knife, specially developed for the 9th Col Moschin Parachute Assault Regiment, elite unit of the Folgore brigade.

Use: tactical, sports, hiking, collection

Blade: integral, in laminated Japanese steel (San Mai) with V-Toku2 (carbonaceous) cutting edge at 62 / 63HRC and external SUS410 (stainless steel) scales
Handle: forprene
Blade length: 160mm.
Blade thickness: 6.5mm.
Total length: 290mm.
Balance: set back to 0.5cm. from the guard branch
Weight: 265g.
Sheath: modular tactical, from thigh or belt, in Nylon
Notes: Numbered edition - cardboard box with Extremaratio logos and certificate - being the cutting edge in carbon steel it is advisable, in order to keep the blade in perfect condition, to protect the edge with a light surface of oil.

As in the ancient Japanese Samurai swords.

Rolled steel - imported into Italy by Collini Steel directly from Japanese Takefu Steel - is based on the ancient Japanese tradition in the creation of the famous Samurai swords. In fact, as early as 1100 the expert Japanese blacksmiths combined different materials together to give the Katana swords incredible cutting capabilities combined with a resistance and flexibility previously unknown. It is thanks to this revolutionary construction technique that Samurai swords have been preserved to this day, becoming one of the most fascinating objects made by man. Following this tradition applied to modern metallurgy, today we are able to have technologically advanced steels already tested and used in cutlery also by famous brands such as Fallkniven, Cold Steel, Mcusta, Kai, Sog, Zwilling, Rockstead, etc.

Characteristics of San Mai steel: These are different types of metals bonded together to create a composite that encloses and intensifies the strengths of the metals individually taken:

- Longer tool life
thanks to the use of very high quality steels with high carbon content (VG10, CoS, Shiro) or sintered (SPG2), in the heart of the sheet (Core Steel), the blade, once hardened, achieves decidedly hardness and cutting performance higher than those achieved with the use of traditional steels.

- Greater resilience
built with the principle of Japanese swords, multilayer steel is difficult to break thanks to the toughness of the central steel (Core Steel) and the elasticity of the steel used for the side coating (Stainless Steel).

- Better corrosion resistance
the steel used for the external layers (Stainless Steel) guarantees the blade a high resistance to corrosion. The combination of the two or more materials used by Takefu Steel generates, on a galvanic level, a structure that improves corrosion resistance even on the wire.

- Easy processing even after heat treatment
although steel normally becomes harder after quenching, the lateral steel used in multilayer processing does not lose its softness and allows easy processing, drilling or welding even after heat treatment. For an optimal performance of the blade, cryogenic treatment is recommended.

- Improvement of the aesthetic result
The knives made with multi-state steel or damascus pattern at the end of the processing are aesthetically elegant, refined and highly appreciated by collectors all over the world.

For more information: collinisteel
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Japanese steel blends with Italian excellence

For this 2020 collaboration, exclusive of Collini Cutlery, we have decided to propose a series of best sellers produced by Extrema Ratio. Knives made with the famous San Mai steel produced by the Japanese Takefu Steel. Specifically, we used V-Toku2 carbonaceous at 62 / 63HRC for the central plate and SUS410 stainless steel for the two external plates, in order to guarantee a very high cutting capacity, penetration and sealing of the wire together with an ease of re-sharpening. and maintenance but at the same time the blade has a remarkable resistance to corrosion and an important increase in resilience given by the type of external steel and by the laminated structure.

Col Moschin Compact model: for this First Production Run a run of 10 pieces numbered from 1 to 10 was created.

The lethality of the COL MOSCHIN knife in compact version. Supplied with rigid belt sheath and BELT-CLIP. The rigid sleeve can be positioned horizontally, vertically or in a 45 ° inclined position

Use: tactical, sports, hiking, collection

Blade: integral, in laminated Japanese steel (San Mai) with V-Toku2 (carbonaceous) cutting edge at 62 / 63HRC and external SUS410 (stainless steel) scales
Handle: forprene
Blade length: 110mm.
Blade thickness: 6.5mm.
Total length: 212mm.
Balance: set back to 0.5cm. from the guard branch
Weight: 209g.
Sheath: ABS with multi-position Tek-Lok attachment
Notes: Numbered edition - cardboard box with Extremaratio logos and certificate - being the cutting edge in carbon steel it is advisable, in order to keep the blade in perfect condition, to protect the edge with a thin surface of oil.

As in the ancient Japanese Samurai swords.

Rolled steel - imported into Italy by Collini Steel directly from Japanese Takefu Steel - is based on the ancient Japanese tradition in the creation of the famous Samurai swords. In fact, as early as 1100 the expert Japanese blacksmiths combined different materials together to give the Katana swords incredible cutting capabilities combined with a resistance and flexibility previously unknown. It is thanks to this revolutionary construction technique that Samurai swords have been preserved to this day, becoming one of the most fascinating objects made by man. Following this tradition applied to modern metallurgy, today we are able to have technologically advanced steels already tested and used in cutlery also by famous brands such as Fallkniven, Cold Steel, Mcusta, Kai, Sog, Zwilling, Rockstead, etc.

Characteristics of San Mai steel: These are different types of metals bonded together to create a composite that encloses and intensifies the strengths of the metals individually taken:

- Longer tool life
thanks to the use of very high quality steels with high carbon content (VG10, CoS, Shiro) or sintered (SPG2), in the heart of the sheet (Core Steel), the blade, once hardened, achieves decidedly hardness and cutting performance higher than those achieved with the use of traditional steels.

- Greater resilience
built with the principle of Japanese swords, multilayer steel is difficult to break thanks to the toughness of the central steel (Core Steel) and the elasticity of the steel used for the side coating (Stainless Steel).

- Better corrosion resistance
the steel used for the external layers (Stainless Steel) guarantees the blade a high resistance to corrosion. The combination of the two or more materials used by Takefu Steel generates, on a galvanic level, a structure that improves corrosion resistance even on the wire.

- Easy processing even after heat treatment
although steel normally becomes harder after quenching, the lateral steel used in multilayer processing does not lose its softness and allows easy processing, drilling or welding even after heat treatment. For an optimal performance of the blade, cryogenic treatment is recommended.

- Improvement of the aesthetic result
The knives made with multi-state steel or damascus pattern at the end of the processing are aesthetically elegant, refined and highly appreciated by collectors all over the world.

For more information: collinisteel

Japanese steel merges with Italian excellence

For this 2019/2020 collaboration, exclusive to Collini Cutlery, we have decided to offer a series of best sellers produced by Extrema Ratio. Knives made with the famous San Mai steel produced by the Japanese Takefu Steel. Specifically, for the central sheet we used the carbonaceous V-Toku2 at 62 / 63HRC and the stainless SUS410 for the two external sheets, in order to guarantee a very high cutting, penetration and sealing capacity of the wire together with an ease of regrinding and maintenance but at the same time the blade has a remarkable resistance to corrosion and an important increase in resilience given by the type of foreign steel and the laminated structure.

SHRAPNEL OG model: for this First Production Run, a circulation of 10 pieces numbered from 1 to 10 was produced.

SHRAPNEL OG is a truly multi-purpose "back-up", with strong combat attitudes. The leaf blade is characterized by a wide flat winding, with a narrow sharpening angle which makes it particularly sharp. The rigid sheath can be positioned horizontally, vertically or inclined at 45 °. The SHRAPNEL OG is produced without the top guard.

Use: tactical, sports, hiking, collection

Blade: integral, in Japanese laminated steel (San Mai) with cutting edge in V-Toku2 (carbon) at 62 / 63HRC and external cheeks in SUS410 (stainless steel)
Handle: forprene
Blade length: 90mm.
Blade thickness: 6.5mm.
Total length: 210mm.
Balancing: set back to 0.5cm. from the guard branch
Weight: 190g.
Sheath: ABS with Tek-Lok multiposition attachment
Notes: Numbered edition - cardboard box with Extremaratio logos and certificate

As in the ancient swords of the Japanese Samurai.

Rolled steel - imported into Italy from Collini Steel directly from the Japanese Takefu Steel - is based on the ancient Japanese tradition in the creation of the famous Samurai swords. Already in 1100 the expert Japanese blacksmiths in fact combined different materials to give the Katana swords incredible cutting capabilities combined with a resistance and flexibility previously unknown. It is thanks to this revolutionary construction technique that the swords from Samurai have been preserved to the present day becoming one of the most fascinating objects made by man. Following this tradition applied to modern metallurgy, we are now able to have technologically advanced steels already tested and used in cutlery also by famous brands such as Fallkniven, Cold Steel, Mcusta, Kai, Sog, Zwilling, Rockstead, etc.

Characteristics of San Mai steel: These are different types of metals bonded together to create a composite that encloses and intensifies the strengths of the metals taken individually:

- Longer tool life
thanks to the use of high quality steel with a high carbon content (V-Toku2, VG10, CoS, Shiro) or sintered (SPG2), in the heart of the sheet (Core Steel), the blade once hardened, reaches hardness and cutting performance significantly higher than that achieved with the use of traditional steels.

- Greater resilience
built with the principle of Japanese swords, multilayer steel is difficult to break thanks to the toughness of the central steel (Core Steel) and the elasticity of the steel used for the lateral coating (Stainless Steel).

- Better corrosion resistance
the steel used for the external layers (Stainless Steel) guarantees the blade a high resistance to corrosion. The combination of the two or more materials used by Takefu Steel generates, at the galvanic level, a structure that improves the corrosion resistance also on the wire.

- Easy processing even after heat treatment
although normally the steel becomes harder after hardening, the lateral steel used in multi-layer processing does not lose its softness and allows easy processing, drilling or welding even after heat treatment. For optimum performance of the blade, cryogenic treatment is recommended.

- Improvement of the aesthetic result
The knives made with multistate steel or with damask pattern at the end of the processing are aesthetically elegant, refined and highly appreciated by collectors all over the world.

Citadel - Nordic

These handmade knives are distinguished by their original but functional line, which is well matched to the traditional manufacturing techniques and the materials used.
The blades are in fact carbon-hardened to a hardness of around 40 HRC after which, after being hammered by hand, the back and sides are covered with clay and the wire tempered at 60 HRC to have excellent cutting capacity, penetration and flexibility. The knife is then polished and sharpened by hand on stone and finished in every single detail.

Blade: DNH7 "Bruit de forge" selective hardening 40/60 HRC steel with file-worked spine
handle: In wood with brass guard
Blade length: 70 mm.
Handle length: 115 mm.
Blade thickness: 3.5 mm.
Total length: 195 mm.
Sheath: Handmade brown leather
Weight: 154 g.

Chris Reeve - Mk IV 28 Year Commemorative knife

For 28 years, (the A2 round handled) One Piece Range of knives has been an essential part of Chris Reeve Knives. From Chris first designing the concept while serving in the South African Army in Namibia to today, these knives have been used, carried, admired and collected in all corners of the world.

An integral part of the success of this range has been Eddie Myers. Eddie was Chris's foreman when Chris was an apprentice tool and die maker. They have known each other more years than they care to count and Chris has always regarded Eddie as mentor, teacher, friend and consultant! For 25 years, Eddie has machined the blanks for our One Piece Knives. Still living in South Africa, Eddie and his wife Caroline, have provided fine service to deliver the best blanks at the best price. (There is no question that the volatility of the South African currency has helped over the years!)

Eddie and Caroline want to retire. Ed wants to buy a boat again and go fishing whenever he feels like it! This brought us to a cross-roads--do we try to source a vendor in the USA or should we simply retire a - Classic. We have decided to take the second choice--to discontinue the One Piece Range.

To celebrate the end of this era, Chris Reeve Knives offered a limited edition of 250 Commemorative Mk IVs. The Mk IV was the first iteration of the one piece concept to become known there is still call for this model which we initially discontinued in 1995. It has a 7 inch blade with a clip point and sawback. For this commemorative edition, the butt cap is engraved and polished and the sheath has a commemorative logo embossed.

Specifications

Blade Material: A2 tool steel
Blade Hardness: 55-57 RC
Blade Coating: KG Gun-Kote
Blade Length: 7" sawback blade
Blade Thickness: 0.187"
Overall Length: 12"
Handle Material: A2 Tool Steel
But Cap Material: D65S aluminum
Sheath: Leather with horizontal carry belt loop, Snap
Weight: 12.90 oz. (365 grams)
Limited Edition, only 250 pieces produced!
Handmade in the USA
One Piece Knife Concept

The idea of the one piece knife was born while Chris was serving time in the South African Army on the Namibia/Angola border in 1979. The experiences of military service have contributed substantially to the features in these knives.

Chris realized that the ideal working knife was a tool which was strong, reliable and impervious to temperature and humidity. Extensive time has been devoted to design, and research and development to improve both the blade designs and the methods used in making the knives.

Each knife is made from a solid billet of A2 tool steel. The stock removal method results in two distinct advantages--the strength/weight ratio is exceptional and there is no handle/blade join. This means that there is no area where the blade and handle could come apart--a weakness in the design of other hollow handle knives. The handle cavity is larger than that of any similar knife. The hollow handle is closed with a butt cap made of 6061 aluminum which screws into the handle against a Neoprene "O" ring, ensuring the cavity is sealed from dust and moisture. All the one piece knives are hardened to 55-57 RC and random checks are made to ensure accuracy. This hardness gives superb toughness, good edge retention and allows for efficient sharpening in the field. Each knife is coated with super hi-tech KG Gun-Koteä originally developed for use in the aerospace industry. This coating offers a durable, long-lasting, non-reflective covering. Included in the price of each knife is a hand-made leather sheath. A lifelong guarantee, signed by Chris accompanies each knife.
The one piece design offers the highest possible weight/strength ratio
A2 Tool Steel offers excellent edge retention and good shock resistance
Hardness at between 55 and 57 Rockwell C is not brittle but gives good edge retention along with ease of sharpening
An 8" hollow grind is used with a full thickness back edge. All designs are ground to allow the full thickness of the back edge to come as close to the point as possible, affording a very strong front tip but not restricting the knife's ability to pierce
The hollow handle, which is created to reduce weight, is larger than any similar sized knife because there is no join between handle and blade
The aluminum butt cap provides an airtight closure for the hollow handle and is designed so that it can be used for hammering. Because using the knife as a hammer can be dangerous to one's knuckles and fingers, we do not recommend that this be done unless in an emergency situation. It is preferable to use a hammer
Full depth precision machined knurling affords maximum non-slip grip
Non-reflective KG Gun-Koteä coating gives lasting protection
All knives carry a lifetime guarantee and a damaged knife will be replaced or repaired at Chris' discretion. This guarantee does not cover damage to a knife that has been thrown or used for heavy levering
These knives are used by hunters, backpackers, SWAT teams, military personnel, firefighters and police all over the world. They are also to be found in many knife collections and most of our customers own more than one of our knives
Each hand made leather sheath is designed to fit the knife well, to give maximum protection to the carrier and the knife when being carried. Because we continue to improve our design, sheaths supplied might not be exactly as shown in the brochure
Replacement butt caps and sheaths are available at reasonable prices
Many customers feel that once their knives have been used, they lose collector's value. This is not so as the knife can be returned to Chris Reeve Knives, where it will be sandblasted, re-coated with KG Gun-Kotea, sharpened and returned to it's original condition. Contact Chris Reeve Knives for cost. Please return knife in sheath

For this new exclusive collaboration with Extrema Ratio we decided to propose a best seller in the world of cutlery, the Shrapnel model. It's a satin blade version but the most important thing is that has been used, for the first time in Italy, the famous Japanese Steel San Mai produced by Takefu Steel. Specifically, we used the CoS (Cobalt Special, considered mechanically superior by 25% compared to the already appreciated VG10) for the central plate and the 420J2 (55 HRC) for the two side plates, in order to have a high cutting capacity, but at the the same time a remarkable resilience and resistance to oxidation.

A First Production Run of 30 pieces has been made.

SHRAPNEL OG is a truly versatile “back up” knife with marked combat qualities. Its leaf-shaped blade is flat ground at a characteristically low angle to a wide, extraordinarily sharp edge. The included hard sheath can be worn vertically, horizontally or obliquely (at a 45° angle). Tthe SHRAPNEL OG hilt design does not include a guard.

Use: tactical , sports , hiking , collection
Blade: Full , Japanese- rolled stainless steel ( San Mai) with sharp CoS to 61,7HRC in cryogenic tempering
Handle: Forprene
Blade length: 90mm.
Blade Thickness: 6.5 mm.
Overall length: 210mm.
Balancing: back to 0.5cm . by guard branch
Weight: 214g.
Sheath: ABS with Tek - Lok multi attack
Notes: cardboard box with Extremaratio logos and certificate

Clad Metal
It is a composite metal partly or entirely diffusion bonded together of different kinds of metals.

Metal composition shows higher performance which respective materials alone do not possess and the performance complements opposite characteristics of each material, that is "compound characteristics"

Clad Effect on Cutleries

Toughness
Like Japanese swords, clad metal is hard to break or bend, thanks to the toughness as the hard steel part is clad with soft steels.
Easy to work on
Cladded structure is easy to apply on such works as forging, grinding, sharpening or polishing to make a sharp blade.

Improved corrosion resistance　　　　
Proper material combination generates electrical potential difference and it enhances the corrosion resistance on blade edge.

Better and long lasting sharpness
Steel after forging pressure makes the microscopic structure denser and improves the sharpness and ensures long lasting performance.

Resource saving
As high class steel is used only for necessary part, it is perfectly cost effective..

Easy distortion correction
As the steel is bonded with soft steel materials, its blade is hard to break and the distortion correction is easy.

Easy drilling and welding after heat treatment
Though the steel gets harder after heat treatment, the soft steel never loses its softness, enabling the material to be drilled or welded.

Design improvement
Laminated patterns or Damascus patterns appear from basis materials which are bonded with different kinds of metals.

Extrema Ratio is proud to present the Culter Venatorius that, so as not to contradict the current address is a technical knife, practical, perhaps a bit 'specialized and that gives a nod to tradition and to the tastes of the most traditionalist hunters who like to do everything yourself.

The Latin motto engraved on the blade reads:

"I am the hunting knife, I am the claw beak and fang of my master. My job is as old as the flesh and blood.", We find that describes significantly the pure essence of the instrument.

We feel to say that if a tool could be capable of humor probably would have added: "It 'a dirty job ... but someone has to do it ...".

The Culter Venatorius, more than a knife, is a complete equipment for slaughtering and skinning of medium and medium-large sized prey, suitable for ungulate hunters.

The kit includes: a knife to slaughter and general use, one skinner provided with cross handle to skin and clean the internal organs the animal, a carver to skin head and snout and a stone with two grains for regrinding of all instruments.

These accessories are contained in the sleeve pocket leather fat-crafted.

The sheath while maintaining the traditional lines, is completely reversible (both the pocket that the passer can be disassembled and applied on the other face of the sheath) and to secure the side which holds the knife has the ambidextrous release. The sheath is handmade by a master saddler leather first-aged choice.

And 'possible to bring the sheath is vertical to the belt connected to the leg, which in a comfortable horizontal position, the shoulder or stopped at the waist with a long belt kit with buckle and snap hooks.

The handle in cocobolo oiled is long enough to allow the use of the knife as a little machete or chopper and thin enough to allow precision cuts.

The blade is in the classic Bohler N690, an excellent steel chrome molybdenum vanadium and cobalt which deserved to become a standard in technical and professional cutlery.

The finish is satin.

The Culter Venatorius is dedicated to all those who wish an Extrema Ratio as batting partner.

- BLADE LENGTH: mm 195
- LENGTH: 340 mm
- BLADE THICKNESS: 6.3 mm
- WEIGHT: 360 g
- BLADE STEEL: BOHLER N690 (58HRC)
- HANDLE MATERIAL: Cocobolo oiled
- GEAR: NO
- SURFACE FINISH / TREATMENT: Satin
- LIMITED EDITION: 300 pieces (serial number on the blade in Roman numerals)