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Extrema Ratio knives and folding knives

Extrema Ratio, located in Prato, Italy has been designing, manufacturing and selling high-quality combat knives since 1997. The company gained a great reputation for excellence that is unsurpassed in the military and tactical industry. The company prides itself in design, material and quality to deliver a high end product that meets the most severe standards. The first class handwork and well-selected material have contributed to form the image of the Extrema Ratio trademark all over the world.

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Extrema Ratio - MH-Stealth
Extrema Ratio - Requiem EVO Dark
Extrema Ratio - BD4 Lucky
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Extrema Ratio - Misericordia Desert
Extrema Ratio Extrema Ratio Extrema Ratio Extrema Ratio
MH-Stealth Requiem EVO Dark BD4 Lucky Misericordia Desert
Blade length: 3.39″Blade length: 4.57″Blade length: 4.84″Blade length: 4.65″
Blade material: Böhler N690Blade material: MagnaCutBlade material: Böhler N690Blade material: Böhler N690

$327.97

$409.24

$213.23

$189.32

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Extrema Ratio - Resolza 12
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Extrema Ratio - ANT SP Ranger Green
Extrema Ratio - ANT SP Tactical Mud
Extrema Ratio - Contact
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Extrema Ratio Extrema Ratio Extrema Ratio Extrema Ratio
Resolza 12 ANT SP Ranger Green ANT SP Tactical Mud Contact
Blade length: 4.72″Blade length: 1.81″Blade length: 1.81″Blade length: 6.38″
Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690

$215.14

$119.52

$119.52

$278.25

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Extrema Ratio - LKU01 Urban Dark
Extrema Ratio - Misericordia Black
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Extrema Ratio - Misericordia Black Warfare Limited Edition
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Extrema Ratio - Requiem M390 HCS Black
Extrema Ratio Extrema Ratio Extrema Ratio Extrema Ratio
LKU01 Urban Dark Misericordia Black Misericordia Black Warfare Limited Edition Requiem M390 HCS Black
Blade length: 3.94″Blade length: 4.65″Blade length: 4.65″Blade length: 4.65″
Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690Blade material: M390

$218.96

$196.02

$323.19

$215.14

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Extrema Ratio - Shrapnel One Desert Dark Stone
Extrema Ratio - Tuscan S600 Black/Green
Extrema Ratio - Glauca B1
Extrema Ratio - 39-09 Special Edition
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Extrema Ratio Extrema Ratio Extrema Ratio Extrema Ratio
Shrapnel One Desert Dark Stone Tuscan S600 Black/Green Glauca B1 39-09 Special Edition
Blade length: 6.18″Blade length: 6.57″Blade length: 4.53″Blade length: 7.6″
Blade material: N690Blade material: Böhler S600Blade material: Böhler N690Blade material: Böhler N690

$291.63

$453.23

$415.94

$771.63

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Extrema Ratio - ANT Urban SF Black
Extrema Ratio - ANT Urban SF Cherry
Extrema Ratio - BF2
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Extrema Ratio - BF2 CT M390 Tactical Grey
Extrema Ratio Extrema Ratio Extrema Ratio Extrema Ratio
ANT Urban SF Black ANT Urban SF Cherry BF2 BF2 CT M390 Tactical Grey
Blade length: 2.01″Blade length: 2.01″Blade length: 3.43″Blade length: 3.43″
Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690Blade material: M390

$114.74

$122.39

$219.92

$296.41

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Extrema Ratio - Caimano Nero N.A. manual folder
Extrema Ratio - Dobermann IV S600
Extrema Ratio - Estrema Hammer
Extrema Ratio - Forpene handle for Contact and Contact C, black
Extrema Ratio Extrema Ratio Extrema Ratio Extrema Ratio
Caimano Nero N.A. manual folder Dobermann IV S600 Estrema Hammer Forpene handle for Contact and Contact C, black
Blade length: 3.74″Blade length: 7.28″
Blade material: Böhler N690Blade material: Böhler S600

$323.19

$411.16

$190.28

$47.81

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Extrema Ratio - Forpene handle for Contact and Contact C, desert
Extrema Ratio - Forpene handle for Contact and Contact C, HCS
Extrema Ratio - KH Satin
Extrema Ratio - LKU01 Urban Sideral
Extrema Ratio Extrema Ratio Extrema Ratio Extrema Ratio
Forpene handle for Contact and Contact C, desert Forpene handle for Contact and Contact C, HCS KH Satin LKU01 Urban Sideral
Blade length: 13.39″Blade length: 3.94″
Blade material: Böhler N690Blade material: Böhler N690

$48.76

$47.81

$507.73

$218.96

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Extrema Ratio - Mamba
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Extrema Ratio - MF1 EVO Drop Point Black Satin M390
Extrema Ratio - MF1 EVO Drop Point Red Satin M390
Extrema Ratio - Ontos II S600, black
Extrema Ratio Extrema Ratio Extrema Ratio Extrema Ratio
Mamba MF1 EVO Drop Point Black Satin M390 MF1 EVO Drop Point Red Satin M390 Ontos II S600, black
Blade length: 4.57″Blade length: 3.74″Blade length: 3.74″Blade length: 6.57″
Blade material: Böhler N690Blade material: M390Blade material: M390Blade material: Böhler S600

$161.59

$296.41

$296.41

$417.85

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Extrema Ratio - RAO 2
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Extrema Ratio - RAO 2 Expeditions
Extrema Ratio - RAO C Black
Extrema Ratio - RAO C Tactical Grey
Extrema Ratio Extrema Ratio Extrema Ratio Extrema Ratio
RAO 2 RAO 2 Expeditions RAO C Black RAO C Tactical Grey
Blade length: 4.61″Blade length: 4.61″Blade length: 3.94″Blade length: 3.94″
Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690

$406.37

$434.10

$319.36

$319.36

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Extrema Ratio - MH-Stealth
Extrema Ratio –
MH-Stealth
Blade length: 3.39″
Blade material: Böhler N690
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$327.97
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Extrema Ratio - Requiem EVO Dark
Extrema Ratio –
Requiem EVO Dark
Blade length: 4.57″
Blade material: MagnaCut
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$409.24
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Extrema Ratio - BD4 Lucky
Extrema Ratio –
BD4 Lucky
Blade length: 4.84″
Blade material: Böhler N690
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$213.23
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Extrema Ratio - Misericordia Desert
Extrema Ratio –
Misericordia Desert
Blade length: 4.65″
Blade material: Böhler N690
$189.32
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Extrema Ratio - Resolza 12
Extrema Ratio –
Resolza 12
Blade length: 4.72″
Blade material: Böhler N690
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$215.14
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Extrema Ratio - ANT SP Ranger Green
Extrema Ratio –
ANT SP Ranger Green
Blade length: 1.81″
Blade material: Böhler N690
$119.52
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Extrema Ratio - ANT SP Tactical Mud
Extrema Ratio –
ANT SP Tactical Mud
Blade length: 1.81″
Blade material: Böhler N690
$119.52
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Extrema Ratio - Contact
Extrema Ratio –
Contact
Blade length: 6.38″
Blade material: Böhler N690
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$278.25
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Extrema Ratio - LKU01 Urban Dark
Extrema Ratio –
LKU01 Urban Dark
Blade length: 3.94″
Blade material: Böhler N690
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$218.96
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Extrema Ratio - Misericordia Black
Extrema Ratio –
Misericordia Black
Blade length: 4.65″
Blade material: Böhler N690
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$196.02
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Extrema Ratio - Misericordia Black Warfare Limited Edition
Extrema Ratio –
Misericordia Black Warfare Limited Edition
Blade length: 4.65″
Blade material: Böhler N690
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$323.19
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Extrema Ratio - Requiem M390 HCS Black
Extrema Ratio –
Requiem M390 HCS Black
Blade length: 4.65″
Blade material: M390
FREE shipping!
$215.14
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Extrema Ratio - Shrapnel One Desert Dark Stone
Extrema Ratio –
Shrapnel One Desert Dark Stone
Blade length: 6.18″
Blade material: N690
FREE shipping!
$291.63
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Extrema Ratio - Tuscan S600 Black/Green
Extrema Ratio –
Tuscan S600 Black/Green
Blade length: 6.57″
Blade material: Böhler S600
FREE shipping!
$453.23
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Extrema Ratio - Glauca B1
Extrema Ratio –
Glauca B1
Blade length: 4.53″
Blade material: Böhler N690
FREE shipping!
$415.94
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Extrema Ratio - 39-09 Special Edition
Extrema Ratio –
39-09 Special Edition
Blade length: 7.6″
Blade material: Böhler N690
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FREE shipping!
$771.63
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Extrema Ratio - ANT Urban SF Black
Extrema Ratio –
ANT Urban SF Black
Blade length: 2.01″
Blade material: Böhler N690
$114.74
Go to cart >>
Extrema Ratio - ANT Urban SF Cherry
Extrema Ratio –
ANT Urban SF Cherry
Blade length: 2.01″
Blade material: Böhler N690
$122.39
Go to cart >>
Extrema Ratio - BF2
Extrema Ratio –
BF2
Blade length: 3.43″
Blade material: Böhler N690
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FREE shipping!
$219.92
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Extrema Ratio - BF2 CT M390 Tactical Grey
Extrema Ratio –
BF2 CT M390 Tactical Grey
Blade length: 3.43″
Blade material: M390
FREE shipping!
$296.41
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Extrema Ratio - Caimano Nero N.A. manual folder
Extrema Ratio –
Caimano Nero N.A. manual folder
Blade length: 3.74″
Blade material: Böhler N690
FREE shipping!
$323.19
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Extrema Ratio - Dobermann IV S600
Extrema Ratio –
Dobermann IV S600
Blade length: 7.28″
Blade material: Böhler S600
FREE shipping!
$411.16
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Extrema Ratio - Estrema Hammer
Extrema Ratio –
Estrema Hammer
$190.28
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Extrema Ratio - Forpene handle for Contact and Contact C, black
Extrema Ratio –
Forpene handle for Contact and Contact C, black
$47.81
Go to cart >>
Extrema Ratio - Forpene handle for Contact and Contact C, desert
Extrema Ratio –
Forpene handle for Contact and Contact C, desert
$48.76
Go to cart >>
Extrema Ratio - Forpene handle for Contact and Contact C, HCS
Extrema Ratio –
Forpene handle for Contact and Contact C, HCS
$47.81
Go to cart >>
Extrema Ratio - KH Satin
Extrema Ratio –
KH Satin
Blade length: 13.39″
Blade material: Böhler N690
FREE shipping!
$507.73
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Extrema Ratio - LKU01 Urban Sideral
Extrema Ratio –
LKU01 Urban Sideral
Blade length: 3.94″
Blade material: Böhler N690
FREE shipping!
$218.96
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Extrema Ratio - Mamba
Extrema Ratio –
Mamba
Blade length: 4.57″
Blade material: Böhler N690
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$161.59
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Extrema Ratio - MF1 EVO Drop Point Black Satin M390
Extrema Ratio –
MF1 EVO Drop Point Black Satin M390
Blade length: 3.74″
Blade material: M390
FREE shipping!
$296.41
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Extrema Ratio - MF1 EVO Drop Point Red Satin M390
Extrema Ratio –
MF1 EVO Drop Point Red Satin M390
Blade length: 3.74″
Blade material: M390
FREE shipping!
$296.41
Go to cart >>
Extrema Ratio - Ontos II S600, black
Extrema Ratio –
Ontos II S600, black
Blade length: 6.57″
Blade material: Böhler S600
FREE shipping!
$417.85
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Extrema Ratio - RAO 2
Extrema Ratio –
RAO 2
Blade length: 4.61″
Blade material: Böhler N690
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FREE shipping!
$406.37
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Extrema Ratio - RAO 2 Expeditions
Extrema Ratio –
RAO 2 Expeditions
Blade length: 4.61″
Blade material: Böhler N690
FREE shipping!
$434.10
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Extrema Ratio - RAO C Black
Extrema Ratio –
RAO C Black
Blade length: 3.94″
Blade material: Böhler N690
FREE shipping!
$319.36
Go to cart >>
Extrema Ratio - RAO C Tactical Grey
Extrema Ratio –
RAO C Tactical Grey
Blade length: 3.94″
Blade material: Böhler N690
FREE shipping!
$319.36
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