Extrema Ratio

Extrema Ratio, located in Prato, Italy, has been designing, manufacturing and selling high performance combat knives since 1997 enjoying a reputation for excellence that is unsurpassed in the military and tactical knife industry.
The increased capacity through the years enabled Extrema Ratio to extend its operations. As part of this effort, the company moved in 2004 to a new 600 square meter facility in order to meet the market demand and the company quickly established itself as one of the country’s leading cutlery manufacturers.
Extrema Ratio serves military and law enforcement communities as well as commercial markets and the knives are well known and sought after all over the globe.
The company prides itself in design, material and quality to deliver a high end product that meets the most severe mil-standards.
The production based on modern cutting edge technology is combined with traditional craftsmanship and the result is the pinnacle of this synthesis. The Extrema Ratio design team uses the 3D system to design new models and create prototypes. Each knife design is then meticulously inspected and then field tested. At this point the finest materials are chosen for durability, function and beauty. Each knife is then hand assembled and hand finished and inspected by Extrema Ratio team of craftsmen.
First class handwork and well-selected material have contributed to form the image of the Extrema Ratio trademark all over the world.
Each knife that is manufactured at Extrema Ratio has measured up to the Company rigorous standards for quality and performance. The knives are the result of painstaking research and development. This is an Extrema Ratio hallmark. Extrema Ratio knives represent a real, solid value for the money. MyGoodKnife is official reseller of Extrema Ratio

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  • bf-1_cd_extrema_ratio_2_1
    Extrema Ratio BF1 CD Black Ruvido
    121.77 

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    121.77 

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  • extrema_raitio_bf2v_3
    Extrema Ratio BF2 V 135BF2V
    161.29 

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    161.29 

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  • extrema_raitio_cap__1
    Extrema Ratio Cap
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  • extrema_ratio_col_moschin_black_3
    Extrema Ratio Col Moschin Black 125COLMOS
    289.51  Buy

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    Extrema Ratio Col Moschin Desert Warfare 125COLMOSDW
    317.74  Buy

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  • extrema_ratio_fulcrum_black_082fultes_2
    Extrema Ratio Fulcrum Black 082FULTES
    262.09  Buy

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  • extrema_ratio_glauca_b1_3
    Extrema Ratio Glauca B1 133GLAUCAB1
    407.25 

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    407.25 

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  • extrema_ratio_mpc_black_4
    Extrema Ratio M.P.C. Black
    362.09  Buy

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  • mato_grosso_satin_extrema_ratio_3
    Extrema Ratio Mato Grosso Satin
    307.25  Buy

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  • mf0_extrema_ratio_4
    Extrema Ratio MF0 Black Ruvido
    226.61  Buy

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  • extrema_ratio_mf1_bc_desert_warfare_
    Extrema Ratio MF1 BC Desert Warfare 133MFBCDW
    267.74  Buy

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  • mf3_t-igredior_extremaratio_knives_3
    Extrema Ratio MF3 Ingredior T Black
    293.54  Buy

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  • extrema_ratio_mk2
    Extrema Ratio MK2.1 Desert Warefare 128MK2DW
    327.41  Buy

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    Extrema Ratio MK2.1 Desert Warefare 128MK2DW
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  • extrema_ratio_ontos_green_-5
    Extrema Ratio Ontos Green 127ONTOSGR
    406.45  Buy

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  • extrema_raitio_police_sm_8
    Extrema Ratio Police SM
    287.90 

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    287.90 

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    Extrema Ratio Police SM

  • rao_avio_knife_extrema_ratio_4
    Extrema Ratio RAO Avio
    372.58  Buy

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    Extrema Ratio RAO Avio
  • rao_2_extrema_ratio_4
    Extrema Ratio RAO II
    283.87  Buy

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  • t-raizor_black_extrema_ratio_4
    Extrema Ratio T-Razor Black
    174.19  Buy

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  • tk_tool_2-0_black_extrema_ratio_3
    Extrema Ratio TK Tool 2.0 Black
    54.03 

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    Extrema Ratio TK Tool 2.0 Black
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    54.03 

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    Extrema Ratio TK Tool 2.0 Black

  • tk_tool_2-0_2
    Extrema Ratio TK Tool 2.0 Stone washed
    39.51  Buy

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    Extrema Ratio TK Tool 2.0 Stone washed
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  • extrema_ratio_ultramarine_nedu_9
    Extrema Ratio Ultramarine Nedu 320ULTRANEDU
    466.12  Buy

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    466.12 

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    Extrema Ratio Ultramarine Nedu 320ULTRANEDU
  • extrema-raitio-dobermann--knife-clasic-3
    Extrema Ratio Dobermann IV Classic
    337.90  Buy

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    337.90 

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    Extrema Ratio Dobermann IV Classic
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    Extrema Ratio Dobermann IV S Africa
    475.00  Buy

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  • desert-warfare-mf2-extrema-raitio-
    Extrema Ratio MF2 Desert Warfare
    300.80  Buy

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    300.80 

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    Extrema Ratio MF2 Desert Warfare