Extrema Ratio Knives

Extrema Ratio is located in Prato, Italy and has been designing, manufacturing, and selling high performance combat, military, kitchen, hunting and tactical knives since 1997.  The company prides itself in design, finest materials and quality,  delivering a high end product that meets the most severe mil-standards.  

All of the knives are crafted of N690 cobalt stainless steel made in a small plant in Austria.  This steel is often used in the manufacture of surgical instruments.  The tempering process produces a steel of great strength, flexibility and the capability to hold a sharp edge.  

Extrema Ratio knives are developed in close cooperation with Italian and foreign Armed forces.  Extrema Ratio is an official supplier of the Armed Forces with NATO code (N/CAGE) AD856

Extrema Ratio Knives

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