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  1. Home
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  3. Extrema Ratio

Extrema Ratio

The tactical knives of Extrema Ratio are no joke. Their high-performance machetes, kukris, folding knives and fixed blade knives are bad enough to wipe the smile off anyone's face. Made in Prato, Italy, in conjunction with both Italian and global armed forces personnel, these knives are meant to be used in the toughest environments and situations. All of their knives are forged from N690 Cobalt Stainless Steel. All of the badass Extrema Ratio knives in our catalog are backed with out 60-day money-back guarantee, so you can really bet your life on their quality.
  • Extrema Ratio Ontos Black Sheath/Kit
    Extrema Ratio Ontos Black Sheath/Kit

    $499.99 Sold Out

  • Extrema Ratio Fulcrum C Fixed Blade Knife - Desert Warfare
    Extrema Ratio Fulcrum C Fixed Blade Knife - Desert Warfare

    $284.99 Sold Out

  • Extrema Ratio KS Kukri - Black
    Extrema Ratio KS Kukri - Black

    $394.99 Sold Out

  • Extrema Ratio Fulcrum II Tanto Folder - Desert Warfare
    Extrema Ratio Fulcrum II Tanto Folder - Desert Warfare

    $384.99 Sold Out

  • Extrema Ratio Col Moschin - Desert Warfare
    Extrema Ratio Col Moschin - Desert Warfare

    $414.99 Sold Out

  • Extrema Ratio Medium Folder - Desert Warfare
    Extrema Ratio Medium Folder - Desert Warfare

    $299.99 Sold Out

  • Extrema Ratio MF3 Ingredior Drop Point Single Blade Pocket Knife
    Extrema Ratio MF3 Ingredior Drop Point Single Blade Pocket Knife

    $354.99 Sold Out

  • Extrema Ratio Fulcrum Fixed Blade Knife - Black
    Extrema Ratio Fulcrum Fixed Blade Knife - Black

    $334.99 Sold Out

  • Extrema Ratio Col Moschin - Black
    Extrema Ratio Col Moschin - Black

    $399.99 Sold Out

  • Extrema Ratio Fulcrum II DropPt Folder- Desert Warfare
    Extrema Ratio Fulcrum II DropPt Folder- Desert Warfare

    $394.99 Sold Out

  • Extrema Ratio Fulcrum C Fixed Blade - Black
    Extrema Ratio Fulcrum C Fixed Blade - Black

    $289.99 Sold Out

  • Extrema Ratio MF2 Col Moschin Ordinanza
    Extrema Ratio MF2 Col Moschin Ordinanza

    $409.99 Sold Out

  • Extrema Ratio MF3 Ingredior Drop Point w/Strap Cutter
    Extrema Ratio MF3 Ingredior Drop Point w/Strap Cutter

    $424.99 Sold Out

  • Extrema Ratio Mark 2.1 Fixed Blade Knife - Black
    Extrema Ratio Mark 2.1 Fixed Blade Knife - Black

    $364.99 Sold Out

  • Extrema Ratio Multi Purpose Compact Folder - Black
    Extrema Ratio Multi Purpose Compact Folder - Black

    $494.99 Sold Out

  • Extrema Ratio RAO Single Blade Folder w/ Sheath
    Extrema Ratio RAO Single Blade Folder w/ Sheath

    $370.49 Sold Out

  • Extrema Ratio Basic Folder 1 Drop Point Black Single Blade Pocket Knife
    Extrema Ratio Basic Folder 1 Drop Point Black Single Blade Pocket Knife

    $199.99 Sold Out

  • Extrema Ratio Basic Folder 1 Tanto Black Single Blade Pocket Knife
    Extrema Ratio Basic Folder 1 Tanto Black Single Blade Pocket Knife

    $199.99 Sold Out

  • Extrema Ratio Basic Folder 2 Drop Point Black Single Blade Pocket Knife
    Extrema Ratio Basic Folder 2 Drop Point Black Single Blade Pocket Knife

    $229.99 Sold Out

  • Extrema Ratio Basic Folder 2 Tanto Black Single Blade Pocket Knife
    Extrema Ratio Basic Folder 2 Tanto Black Single Blade Pocket Knife

    $219.99 Sold Out

  • Extrema Ratio Basic Folder 2 Tanto Desert Warfare Single Blade Pocket Knife
    Extrema Ratio Basic Folder 2 Tanto Desert Warfare Single Blade Pocket Knife

    $259.99 Sold Out

  • Extrema Ratio Desert Warefare Liner-Lock Knife W/Safet
    Extrema Ratio Desert Warefare Liner-Lock Knife W/Safet

    $349.99 Sold Out

  • Extrema Ratio Operativo Fixed Blade Knife
    Extrema Ratio Operativo Fixed Blade Knife

    $399.99 Sold Out

  • Extrema Ratio EFA Pilot Folder
    Extrema Ratio EFA Pilot Folder

    $434.99 Sold Out

  • Extrema Ratio Fulcrum II Drop Pt Folder - Black
    Extrema Ratio Fulcrum II Drop Pt Folder - Black

    $409.99 Sold Out

  • Extrema Ratio Fulcrum II Tanto Folder - Black
    Extrema Ratio Fulcrum II Tanto Folder - Black

    $409.99 Sold Out

  • Extrema Ratio Fulcrum S Fixed Blade - Black
    Extrema Ratio Fulcrum S Fixed Blade - Black

    $349.99 Sold Out

  • Extrema Ratio Medium Folder - Black
    Extrema Ratio Medium Folder - Black

    $289.99 Sold Out

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