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SHOP BY BRAND > EXTREMA RATIO KNIVES > Extrema Ratio Arditi Combat Knife, Bohler N690 Cobalt Steel, Black Forprene Handle - 04.1000.0220-BLK
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Extrema Ratio Arditi Combat Knife, Bohler N690 Cobalt Steel, Black Forprene Handle - 04.1000.0220-BLK

Extrema Ratio Arditi Combat Knife, Bohler N690 Cobalt Steel, Black Forprene Handle - 04.1000.0220-BLK
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$899.90 $799.90 Save $100.00 incl GST
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Blade: Bohler N690 Cobalt Steel
 
Model: 04.1000.0220/BLK

Made in Italy

About Extrema Ratio:
 
Extrema Ratio, located in Prato, Italy has been designing, manufacturing and selling high-quality combat knives since 1997. The company gained a great reputation for excellence that is unsurpassed in the military and tactical industry.
 
The company prides itself in design, material and quality to deliver a high end product that meets the most severe standards. The first class handwork and well-selected material have contributed to form the image of the Extrema Ratio trademark all over the world.
 
Product Description:
 
A particular situation created in the early years of the first world war found soldiers in increasingly more complex confined situations. These situations demanded the formation of units who over time had to excel in hand to hand combat.

Our assault units the “Arditi” had their own knife. They made these knives by cutting off the tips of their long bladed “Vetterli” bayonets of 1870 which in the past had been problematic due to its long and unwieldly length. Today on the occasion of its centenary, we remember this important piece of Italian military history with a celebratory version of 1,918 pieces only.

This version comes with black blade and a black cordura sheath. Should you like further history and background to this unique knife you may find more in the book “Storia dell’arma bianca italiana” by Cesare Calamandrei ISBN 978-88-253-0199-1

The material used for the Blade is Bohler N690 Cobalt  Steel, nicknamed „Austrian 440“. The Steel has its nick from the Austrian manufacturer Bohler, who is the only company that makes this steel, worldwide.
 
The N690 is closely related to 440C. The N690 is containing more cobalt and some other materials than 440C. This makes the N690 more corrosion resistant and harder than the original 440C.
 
The Grip is made out of black Nato-Mil-Spec Thermoplastic Elastomer Forprene. Forprene is an extremely tough synthetic material which feels like hard rubber. The Grip is slip resistant with or without gloves, with wet or dry hands.
 
The Arditi carries in a double sheath style Sheath. The outer Sheath is a nylon soft Sheath. Inside there is a hard Sheath made of a Nylon composite with 15% fiberglass. This is where the blade actually rests.
 
Made in Italy.
 
Technical Specifications:
 
  • Blade: Bohler N690 Cobalt Steel
  • Edge Type: Spear Point, Straight Edge
  • Blade Length: 167 mm
  • Overall Length: 270 mm
  • Blade Finish: MIL-C-13924 Coating, Black
  • Handle: Forprene, Black
  • Rockwell Hardness: 58 HRC
  • Blade Thickness: 6.3 mm
  • Weight: 224 grams
  • Serial Number: On Blade
  • Sheath: Cordura, Black, Nylon Composite Liner, Molle Compatible
  • Origin: Italy

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