Knives, collection knife, tactical knives, outdoor knives, pocket knives and tools

THE BRAND
Exclusive collaboration between Coltelleria Collini and Extrema Ratio marketed under the brand KNIVES.IT. 

TECHNICAL DATA SHEET
Intended Use: Collection / Tactical / Neck knife
Production type: Industrial
Country of Production: Italy
Blade: Stainless steel N690Co 58/60HRC
Blade finish: Black PVD cat. MIL-C-13924
Handle: Stainless steel N690Co 58/60HRC
Blade length: 40mm.
Blade thickness: 5.5mm.
Total lenght: 166mm.
Weight: 86g.
Sheath: optional (available separately) in Kydex, handcrafted by the Italian Knife Maker Simone Tonolli.
Package: cardboard box with Extrema Ratio logos
Notes: knife created and manufactured by Extrema Ratio - each knife is numbered - Design by LoTactical

HISTORY
The Tengu takes its name from a mythical creature of Japanese folklore that is represented with both human and raven features, they had the reputation of being great warriors and legends say that some founders of martial arts were trained by them.

- It is designed to be used in many different grips, but is especially effective in the reverse grip.
- Designed to be carried in a variety of ways, whether as a neck knife, under shirt, clipped in a pocket or around the waist using optional systems such as Ulti-Clip or Tek-Lok or various M.O.L.L.E. type attachments.
- With its thickness of 5.5 mm. is extremely robust and thanks to the shape of the handle is comfortable even by those with large hands or those who want to use it with tactical gloves.
- The blade is compact, robust and very functional for both precision cutting and hard materials thanks to the serrated part on the back. The tanto-shaped tip is very robust and optimal for engraving work.

Kiku Matsuda is one of the most famous artisans and scholars of all over Japan; Probably in your collection you will already have a knife that is the fruit of your passion. For several years he has collaborated with SOG, William Henry, Pro-Tech and Randall Kings, developing blades, sharpening and burring.

Intended use: Collection / Sports

Type of production: Artisan
Lama production: Japan
Blade: OU-31 carbon steel hardened to 63/64 HRC
Blade treatment: -
Handle: Black Canvas Micarta
Blade length: 80mm.
Blade thickness: 5.3mm.
Length closed: -
Total length: 195mm.
Thickness when closed: -
Balancing: -
Weight: 186g.
Closure: -
Clip: -
Sheath: in Kydex with Tek-Lok attack
Package: -
Notes: Kiku Matsuda won in 2007 the prestigious "Knife Of The Year Awards" Blade Show with a project realized in collaboration with SOG

Kiku Matsuda is one of the most famous artisans and scholars of all over Japan; Probably in your collection you will already have a knife that is the fruit of your passion. For several years he has collaborated with SOG, William Henry, Pro-Tech and Randall Kings, developing blades, sharpening and burring.

Purpose of use: Collection / Sportsman

Type of production: Artisan
Blade Production: Japan
Blade: OU-31 carbon steel hardened to 63/64 HRC
Blade Treatment: -
Manicure: Green Canvas Micarta
Blade Length: 98mm.
Blade thickness: 5.5mm.
Closed length: -
Total length: 200mm.
Closure thickness: -
Balance: -
Weight: 250g.
Closure: -
Clip: -
Sheath: in Kydex with Tek-Lok attachment
Packing: -
Notes: Kiku Matsuda won the prestigious award at the Blade Show "Knife Of The Year Awards" in 2007 with a project made in collaboration with SOG Knives

This folding knife is projected for those who are looking for sturdiness and reliability of a fixed blade but also for compact sizes. Its N690 steel blade is available with Drop or Tanto point. For standard use the well known liner lock is enough safe. In case of hard extreme works it is requested to insert the steel pin in the proper hole to cross the handle and the blade, obtaining in this way a sturdy and reliable knife as much as a fixed blade. The steel clip can be removed or even placed on the opposite site of the handle by replacing it with the second supplied clip

Intended use: Tactical / Heavy Folder

type of production: Industrial
Country of production: Italy
Blade: Stainless steel 58HRC N690Co
Blade treatment: Testudo MIL-C-13924
Handle: Anticorodal
Blade length: 91mm.
Blade thickness: 5.6mm.
Closed Length: 149mm.
Overall length: 240mm.
Thick when closed: -
Weight: 271g.
Lock: Liner Lock system with additional safety latch and screw
Clip: Stainless Steel
Packaging: cardboard box with Extrema Ratio logos

This folding knife is projected for those who are looking for sturdiness and reliability of a fixed blade but also for compact sizes. Its N690 steel blade is available with Drop or Tanto point. For standard use the well known liner lock is enough safe. In case of hard extreme works it is requested to insert the steel pin in the proper hole to cross the handle and the blade, obtaining in this way a sturdy and reliable knife as much as a fixed blade. The steel clip can be removed or even placed on the opposite site of the handle by replacing it with the second supplied clip

Intended use: Tactical / Heavy Folder

type of production: Industrial
Country of production: Italy
Blade: Stainless steel 58HRC N690Co
Blade treatment: Testudo MIL-C-13924
Handle: Anticorodal
Blade length: 91mm.
Blade thickness: 5.6mm.
Closed Length: 149mm.
Overall length: 240mm.
Thick when closed: -
Weight: 271g.
Lock: Liner Lock system with additional safety latch and screw
Clip: Stainless Steel
Packaging: cardboard box with Extrema Ratio logos

Intended use: tactical / military

Type of production: Industrial
Production Country: Italy
Blade: Stainless steel 58HRC N690Co
Blade treatment: Testudo MIL-C-13924
Handle: Anticorodal
Blade length: 124mm.
Blade thickness: 5.6mm.
Closed Length: 181mm.
Total length: 305.5mm.
Thick when closed: -
Weight: 319.5g.
Lock: Liner Lock system with additional safety latch and screw
Clip: Stainless Steel
Packaging: cardboard box with Extrema Ratio logos

Intended use: tactical / military

Type of production: Industrial
Production Country: Italy
Blade: Stainless steel 58HRC N690Co
Blade treatment: Testudo MIL-C-13924
Handle: Anticorodal
Blade length: 124mm.
Blade thickness: 5.6mm.
Closed Length: 181mm.
Total length: 305.5mm.
Thick when closed: -
Weight: 327g.
Lock: Liner Lock system with additional safety latch and screw
Clip: Stainless Steel
Packaging: cardboard box with Extrema Ratio logos

Kiku Matsuda è uno dei più famosi artisti e studiosi dell'affilatura di tutto il Giappone; probabilmente nella vostra collezione sarà già presente un coltello frutto della sua passione: collabora infatti da diversi anni con SOG, William Henry, Pro-Tech e Randall Kings sviluppando per loro bisellature, affilature e politure delle lame.

Destinazione d'uso: Collezione/Sportivo

Tipo di produzione: Artigianale
Produzione Lama: Giappone
Lama: in acciaio al carbonio OU-31 temprato a 63/64 HRC
Trattamento Lama: -
Manicatura: Black Canvas Micarta 
Lunghezza lama: 105mm.
Spessore lama: 5,5mm.
Lunghezza chiuso: -
Lunghezza totale: 215mm.
Spessore da chiuso: -
Bilanciatura: -
Peso: 260g.
Chiusura: -
Clip: -
Fodero: in Kydex con attacco Tek-Lok
Confezione: -
Note: Kiku Matsuda ha vinto nel 2007 il prestigioso premio al Blade Show  "Knife Of The Year Awards" con un progetto realizzato in collaborazione con SOG KnivesKnife Of The Year Awards Knife Of The Year Awards 

Kiku Matsuda è uno dei più famosi artisti e studiosi dell'affilatura di tutto il Giappone; probabilmente nella vostra collezione sarà già presente un coltello frutto della sua passione: collabora infatti da diversi anni con SOG, William Henry, Pro-Tech e Randall Kings sviluppando per loro bisellature, affilature e politure delle lame.

Destinazione d'uso: Collezione/Sportivo

Tipo di produzione: Artigianale
Produzione Lama: Giappone
Lama: in acciaio al carbonio OU-31 temprato a 63/64 HRC
Trattamento Lama: -
Manicatura: Green Canvas Micarta 
Lunghezza lama: 98mm.
Spessore lama: 5,5mm.
Lunghezza chiuso: -
Lunghezza totale: 200mm.
Spessore da chiuso: -
Bilanciatura: -
Peso: 250g.
Chiusura: -
Clip: -
Fodero: in Kydex con attacco Tek-Lok
Confezione: -
Note: Kiku Matsuda ha vinto nel 2007 il prestigioso premio al Blade Show  "Knife Of The Year Awards" con un progetto realizzato in collaborazione con SOG KnivesKnife Of The Year Awards Knife Of The Year Awards