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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 - Estrema Hammer
Extrema Ratio - MH-Stealth
Extrema Ratio - Misericordia Desert
Extrema Ratio - Requiem EVO Dark
Extrema Ratio Extrema Ratio Extrema Ratio Extrema Ratio
Estrema Hammer MH-Stealth Misericordia Desert Requiem EVO Dark
Blade length: 3.39″Blade length: 4.65″Blade length: 4.57″
Blade material: Böhler N690Blade material: Böhler N690Blade material: MagnaCut

$190.28

$332.75

$195.06

$409.24

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Extrema Ratio - ANT SP Tactical Mud
-10% Extrema Ratio - Misericordia Black Warfare Limited Edition
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Extrema Ratio - LKU01 Urban Sideral
Extrema Ratio - Misericordia Black
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Extrema Ratio Extrema Ratio Extrema Ratio Extrema Ratio
ANT SP Tactical Mud Misericordia Black Warfare Limited Edition LKU01 Urban Sideral Misericordia Black
Blade length: 1.81″Blade length: 4.65″Blade length: 3.94″Blade length: 4.65″
Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690

$119.52

$323.19
$290.68

$218.96

$199.84

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Extrema Ratio - Resolza 12
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-20% Extrema Ratio - S-THIL Black Warfare Special Edition
Extrema Ratio - 39-09 Special Edition
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Extrema Ratio - ANT SP Ranger Green
Extrema Ratio Extrema Ratio Extrema Ratio Extrema Ratio
Resolza 12 S-THIL Black Warfare Special Edition 39-09 Special Edition ANT SP Ranger Green
Blade length: 4.72″Blade length: 4.69″Blade length: 7.6″Blade length: 1.81″
Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690

$219.92

$325.10
$260.08

$771.63

$119.52

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Extrema Ratio - ANT SP Total Black
Extrema Ratio - ANT Urban Neon SF Yellow
Extrema Ratio - BD4 Lucky
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Extrema Ratio - BF1
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Extrema Ratio Extrema Ratio Extrema Ratio Extrema Ratio
ANT SP Total Black ANT Urban Neon SF Yellow BD4 Lucky BF1
Blade length: 1.81″Blade length: 2.01″Blade length: 4.84″Blade length: 2.72″
Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690

$124.30

$129.08

$234.26

$189.32

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Extrema Ratio - BF2
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Extrema Ratio - BF2 CT M390 Tactical Grey
Extrema Ratio - BF2 Helmsman
Extrema Ratio - Caimano Nero automatic folding knife
Extrema Ratio Extrema Ratio Extrema Ratio Extrema Ratio
BF2 BF2 CT M390 Tactical Grey BF2 Helmsman Caimano Nero automatic folding knife
Blade length: 3.43″Blade length: 3.43″Blade length: 3.43″Blade length: 3.74″
Blade material: Böhler N690Blade material: M390Blade material: Böhler N690Blade material: Böhler N690

$224.70

$296.41

$282.07

$415.94

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Extrema Ratio - Caimano Nero N.A. manual folder
Extrema Ratio - Col Moschin
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Extrema Ratio - Contact
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Extrema Ratio - Contact C
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Extrema Ratio Extrema Ratio Extrema Ratio Extrema Ratio
Caimano Nero N.A. manual folder Col Moschin Contact Contact C
Blade length: 3.74″Blade length: 6.3″Blade length: 6.38″Blade length: 5.04″
Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690

$329.88

$380.56

$289.72

$239.04

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Extrema Ratio - Diamond Pocket Sharpener
Extrema Ratio - Dobermann IV Tactical
Extrema Ratio - Dual Grit Sharpener And Firesteel Pocket Kit
Extrema Ratio - Estrema
Extrema Ratio Extrema Ratio Extrema Ratio Extrema Ratio
Diamond Pocket Sharpener Dobermann IV Tactical Dual Grit Sharpener And Firesteel Pocket Kit Estrema
Blade length: 7.17″Blade length: 3.15″
Blade material: Böhler N690Blade material: Böhler N690

$23.90

$377.69

$66.93

$755.38

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Extrema Ratio - Glauca G1
Extrema Ratio - Kreios
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Extrema Ratio - LKU01 Urban Dark
Extrema Ratio - Mamba
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Extrema Ratio Extrema Ratio Extrema Ratio Extrema Ratio
Glauca G1 Kreios LKU01 Urban Dark Mamba
Blade length: 4.41″Blade length: 11.81″Blade length: 3.94″Blade length: 4.57″
Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690Blade material: Böhler N690

$457.05

$473.31

$218.96

$164.46

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Extrema Ratio - MF1 EVO Drop Point Red Satin M390
Extrema Ratio - Ontos II S600, black
Extrema Ratio - RAO 2 Expeditions
Extrema Ratio - RAO C Black
Extrema Ratio Extrema Ratio Extrema Ratio Extrema Ratio
MF1 EVO Drop Point Red Satin M390 Ontos II S600, black RAO 2 Expeditions RAO C Black
Blade length: 3.74″Blade length: 6.57″Blade length: 4.61″Blade length: 3.94″
Blade material: M390Blade material: Böhler S600Blade material: Böhler N690Blade material: Böhler N690

$304.06

$417.85

$453.23

$334.66

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Extrema Ratio - Estrema Hammer
Extrema Ratio –
Estrema Hammer
$190.28
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Extrema Ratio - MH-Stealth
Extrema Ratio –
MH-Stealth
Blade length: 3.39″
Blade material: Böhler N690
FREE shipping!
$332.75
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Extrema Ratio - Misericordia Desert
Extrema Ratio –
Misericordia Desert
Blade length: 4.65″
Blade material: Böhler N690
$195.06
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Extrema Ratio - Requiem EVO Dark
Extrema Ratio –
Requiem EVO Dark
Blade length: 4.57″
Blade material: MagnaCut
FREE shipping!
$409.24
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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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-10%
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$290.68
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Extrema Ratio - LKU01 Urban Sideral
Extrema Ratio –
LKU01 Urban Sideral
Blade length: 3.94″
Blade material: Böhler N690
$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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$199.84
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Extrema Ratio - Resolza 12
Extrema Ratio –
Resolza 12
Blade length: 4.72″
Blade material: Böhler N690
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$219.92
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-20%
Extrema Ratio - S-THIL Black Warfare Special Edition
Extrema Ratio –
S-THIL Black Warfare Special Edition
Blade length: 4.69″
Blade material: Böhler N690
$325.10$260.08
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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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$771.63
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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 Total Black
Extrema Ratio –
ANT SP Total Black
Blade length: 1.81″
Blade material: Böhler N690
$124.30
Go to cart >>
Extrema Ratio - ANT Urban Neon SF Yellow
Extrema Ratio –
ANT Urban Neon SF Yellow
Blade length: 2.01″
Blade material: Böhler N690
$129.08
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Extrema Ratio - BD4 Lucky
Extrema Ratio –
BD4 Lucky
Blade length: 4.84″
Blade material: Böhler N690
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$234.26
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Extrema Ratio - BF1
Extrema Ratio –
BF1
Blade length: 2.72″
Blade material: Böhler N690
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$189.32
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Extrema Ratio - BF2
Extrema Ratio –
BF2
Blade length: 3.43″
Blade material: Böhler N690
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$224.70
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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 - BF2 Helmsman
Extrema Ratio –
BF2 Helmsman
Blade length: 3.43″
Blade material: Böhler N690
FREE shipping!
$282.07
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Extrema Ratio - Caimano Nero automatic folding knife
Extrema Ratio –
Caimano Nero automatic folding knife
Blade length: 3.74″
Blade material: Böhler N690
FREE shipping!
$415.94
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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!
$329.88
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Extrema Ratio - Col Moschin
Extrema Ratio –
Col Moschin
Blade length: 6.3″
Blade material: Böhler N690
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FREE shipping!
$380.56
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Extrema Ratio - Contact
Extrema Ratio –
Contact
Blade length: 6.38″
Blade material: Böhler N690
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$289.72
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Extrema Ratio - Contact C
Extrema Ratio –
Contact C
Blade length: 5.04″
Blade material: Böhler N690
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$239.04
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Extrema Ratio - Diamond Pocket Sharpener
Extrema Ratio –
Diamond Pocket Sharpener
$23.90
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Extrema Ratio - Dobermann IV Tactical
Extrema Ratio –
Dobermann IV Tactical
Blade length: 7.17″
Blade material: Böhler N690
FREE shipping!
$377.69
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Extrema Ratio - Dual Grit Sharpener And Firesteel Pocket Kit
Extrema Ratio –
Dual Grit Sharpener And Firesteel Pocket Kit
$66.93
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Extrema Ratio - Estrema
Extrema Ratio –
Estrema
Blade length: 3.15″
Blade material: Böhler N690
FREE shipping!
$755.38
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Extrema Ratio - Glauca G1
Extrema Ratio –
Glauca G1
Blade length: 4.41″
Blade material: Böhler N690
FREE shipping!
$457.05
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Extrema Ratio - Kreios
Extrema Ratio –
Kreios
Blade length: 11.81″
Blade material: Böhler N690
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$473.31
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Extrema Ratio - LKU01 Urban Dark
Extrema Ratio –
LKU01 Urban Dark
Blade length: 3.94″
Blade material: Böhler N690
$218.96
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Extrema Ratio - Mamba
Extrema Ratio –
Mamba
Blade length: 4.57″
Blade material: Böhler N690
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$164.46
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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!
$304.06
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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 Expeditions
Extrema Ratio –
RAO 2 Expeditions
Blade length: 4.61″
Blade material: Böhler N690
FREE shipping!
$453.23
Go to cart >>
Extrema Ratio - RAO C Black
Extrema Ratio –
RAO C Black
Blade length: 3.94″
Blade material: Böhler N690
FREE shipping!
$334.66
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