Features: Beefy, black-finished dagger made of Bohler N690 steel. Black Forprene handle. Black Cordura sheath. Description: During WWI, Italian assault units known as the "Arditi" made knives by cutting off tips of their hard to maneuver combat bayonets. Extrema Ratio commemorates this important piece of Italian military history with a limited edition of 1,918 pieces. Extrema Ratio, located in Prato, Italy, has been designing, manufacturing, and selling high performance combat knives while enjoying a reputation for excellence that is unsurpassed in the military and tactical knife industry. Take a look at more tactical knives or add a pocket knife to your collection while you're browsing.