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Extrema Ratio has been designing manufacturing and selling high-performance combat, military and tactical knives since 1997. They pride themselves in design, material and quality to deliver a high-end product that meets the most severe mil-standards.

Extrema Ratio knives are developed in close co-operation with the Italian and Foreign armed sources, to achieve the best performance and function, no compromises are made in the design. This makes their tactical, combat and military knives best known for their outstanding ruggedness and they are sturdy enough to meet the requirements of the toughest military standards.