Extrema Ratio Knives

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.

Your Filters
Filter By
Shop by Brand
Benchmade Spyderco Microtech Knives Boker CIVIVI Kershaw Knives Kizer Knives CRKT Knives Gerber Knives Cold Steel Knives
Pro-Tech Knives Flytanium WE Knife Company Buck Knives Hogue Knives Zero Tolerance Knives SOG Specialty Knives & Tools Leatherman Multi-Tools Victorinox Swiss Army Knife 15:58 Knife Co. 5.11 Tactical 5ive Star Gear ABKT AccuSharp Acebeam Ace Case Aclim8 Acta Non Verba Knives Actilam Advanced Knife Bro Adventure Medical Kits Aegis Solutions AGA Campolin Aiorosu Knives AKC All American Axe Company Alliance Designs Al Mar Knives Amare Knives American Knife Company American Made Knuckles American Service Knives (ASK) American Tomahawk Company (ATC) Andersson & Copra Andre De Villiers - AdV Tactical Anglesey Gear Antonini Knives Anza Knives APurvis Blades Aquamira Arcane Design Arcform Knives Argali Armatus Carry Arno Bernard Knives Aroundsquare ARS (Attack Rescue Survive) Artisan Cutlery ASP USA Atlas Dynamic Defense Attleboro Atwood Rope Mfg. Audacious Concept Baladeo Bark River Baskett Custom Knives Bastinelli Creations Bastion Battle Blades Battle Horse Knives BBbarfly Bear and Son Begg Knives Behring Made Knives Benchmark Knives Beretta USA Bestech Knives Best Glide ASE BergBlades Biegler Bladeworks Big Idea Design Bill Blade Black Dragon Forge Blackfire Blackhawk! (MOD) BlackJack Knives Black Widow Knifeworks Blade-Solutions Blackside Customs Blade-Tech Blue Collar Blades Bonsai Hori Hori Boos Blades Bradford Knives Bradley Cutlery Breakthrough Clean Technologies Brend Knives Brian Tighe & Friends BrightShots Brighten Blades Brisa (EnZo) Knives Brous Blades Browning Knives BRS (BladeRunnerS Systems) BRK designed by ESEE Brunton Brusletto Bubba Blade Buck n Bear Burke Knives Burnley Knives (BRNLY) Burnside Knives Bushcraft (BCB) Butterfield Machine B'yond EDC Byrd Knives Byrna Technologies Cage Camelbak Camillus Carpe Diem EDC Case Knives Casstrom Castillo Chaves Knives Chicago Cutlery Chris Reeve Knives Chroma Scales Chums Citadel Knives Civilware CJRB Cutlery Clip & Carry CMB Made Knives Coast Flashlights & Knives Cobble Blade Coleman Colonel Blades Colonial Knife Company Combat Ready Knives Combative Edge Common Sense Self Defense Condor Tool & Knife Conrad Blacksmithing Cumming Bladeworks Custom Knife Factory Cypress Creek Knives (CCK) Daggerr Knives Dakota Damned Designs Dark Timber Knives Dauntless Manufacturing Solutions Dawson Knives DB Customs Deejo Knives Defcon Tactical Blade Works DDR Darrel Ralph Designs Dellinger Delta Sheath Deltalithwerx Demko Knives Dendra Desert Blade Works Dervish Knives Deviant Blades Dirty Bird Knives Discreet Carry Concepts Divo Knives DMT Sharpeners DogBite Knives DoubleStar Douglass Lighter Douk-Douk Down Under Knives DOVO DPx Gear Drifter Blades D Rocket Designs DROP Knives Dull Boy Blades Dustar Knives Edge Pro Sharpeners eGear EIKONIC EKA E.L. Wood Braiding Co. EmberLit Emerson Knives Enevu Entrek USA EOS - Elite Outfitting Solutions Inc. Esbit ESEE Knives ESNYX Knives Estwing Evans Knife and Tool Everyman Exotac Explorer Extrema Ratio Factor Equipment Fallkniven Fellowship Blades Fenix Flashlights Ferrum Forge Fiddleback Forge Field Notes Finch Knife Co. Fire Hall Knife and Leather FirstEdge Knives Fisher Space Pen Flagrant Beard Flexcut Florian Knives FOBOS Fodale Knives Forge & Foundry FourSevens (Flashlight) Fox Knives Frank B. Franken Forge Blades Fred Perrin Knives Fremont Knives FrogLube Frost Cutlery Fury Knives G&G Hawk Knives GATCO Gavko Knives GD Skulls Geigerrig GiantMouse Gingrich Tactical Innovations Glidr Glo-Toob (Flashlight) Grainger McKoy Great Eastern Cutlery Greg Stevens Design Griffin Grissom Knife and Tool Grohmann Knives Grumpy's EDC Guardian Guardian Tactical USA Guyot Designs H&K (Heckler & Koch) Halfbreed Blades HallMark Knives Handgrey Hanks by Hank Harber Brand Hardcore Hammers Hardcore Hardware Australia Hardpoint Equipment Havalon Knives HavocWorks Hazen Knives HEAdesigns Heed Industries Heibel Knives Hell-Bent Holsters Helle Knives Hen & Rooster Henninger Designs Hennessy Hammock Heretic Knives HexFlex Hoffman Blacksmithing HogDoggins Hom Design Honey Badger Knives HPA HTM (Hand Tech Made) Hultafors Hults Bruk HumanGear Iain Sinclair Imperial Inmotion Tactical Inova (Flashlight) Innovation Factory Isham Bladeworks Jack Wolf Knives Jake Hoback Knives (JHK) The James Brand Jameson Woodworks Jarosz Knives Jason Perry Blade Works JB Knife & Tool J.E. Made Jesse James Knife Company JETbeam (Flashlight) Jig Pro Shop Joey Roman Knives John Ek Commando Knives Joker Knives Ka-Bar Knives Kai Kanetsune Seki Japan Kansept Knives Karas Kustoms Karbon Knives Karesuando Kniven Katz Knives Kellam Knives KeyBar KeyBiner KeyGear KeySmart Kilimanjaro Gear King Sharpeners Kizlyar Supreme Knives Klecker Knives KM Designs KME Sharpeners KNAFS KnifeGuys Knife Pivot Lube Knotty Boys Koch Tool Co. Koenig Knives Krein Knives Krudo Kubey Knives Kunwu Knives Laconico Knives Lake County Knife & Tool (LCKT) Landau Knives Lanier Knives Lansky Sharpeners LensLight LEO Combat Lepre Life Hammer Light My Fire Linder Linos Sheathworks Lion ARMory LionSteel Liong Mah Design Live Fire LRI Flashlights Luft Concepts LT Wright Knives Lynch Northwest Maglite Mallery Designs Manly Innovations Mantis Maratac Marksman Marser Marttiini Maserin Matsey Matthew Martin Custom Pens (MCM) Mattia Borrani Cutlery Maverick Customs Maverick Workshop Max Venom Maxpedition MCM McNees Knives Mcusta MecArmy Mechanix Wear Mechforce Medford Knife & Tool Menovade Mercury Meyerco Mikihisa Mikov Knives Mil-Tac Millit Knives Militec-1 Mininch MKM Moki Knife Co. Morakniv Muela Knives Mummert Knives MXG Gear Myerchin My Parang Nabalis Nagao Higonokami Nalgene NCC Knives Nalpak NDUR Nemesis Knives NexTool NITECORE Nite Ize North Shore Kustoms NotoriousEDC Null Knives OEG EDC Good Luck Pry Ocaso Ohlone Knives Okapi Knives Olamic Cutlery Old Timer Olicamp Olight One Asterisk Industries Ontario Knife Company Open Sea Leather Co. Opinel Original GOAT Otter Knives Outdoor Edge Pangea Designs Paragon (Asheville Steel) Pathfinder Knife Shop (PKS) Payne Bros. Pelican Pena Knives Penrod Garage Permanent Mark Petrified Fish Phantom Steelworks Pharaoh EDC Pig Lube Piranha Knives PMP Knives PNW Bushcraft Pohl Force Police Security Flashlights Prandi PrepCord Princeton Tec Flashlights Prometheus Design Werx Prometheus Lights Pro Tool Industries Propper Puma Knives QSP Quartermaster Knives Queen Cutlery Quest Custom Knives Rainier Knives Randall King Knives Rat Worx Knives RB Tools & Design Readyman Real Steel Knives Reate Knives Recycled Firefighter Red Horse Knife Works Red Rock Rifleworks Red Rock Outdoor Gear Reiff Knives Remington Renegade Provisions Co. REVO RH Preyda Rick Hinderer Knives Rike Knife Rircen Knives Rite Edge Rite in the Rain RMJ Tactical Rob Amsler Rockstead Knives Ruger Knives RUIKE Knives Sabre RUS Beads Shop Sack-Ups San Diego Knives Sandrin Knives Santa Fe Stoneworks Saturn Knives Schmuckatelli Beads Schrade Schwarz Manufacturing Co. Schwartz Tactical Scout Leather Co. Sektor 3 Tools SENCUT Sentry Sentry Solutions Serge Knife Co. Shadow Tech Knives Sharps Bros Sharp By Design (Brian Nadeau) Sheepdog Knives Shirogorov Knives Shun Silky Silva SimbaTEC Skiff Made Blades SKM Slysteel Smith & Sons Smith & Wesson M&P Smith's Sharpeners Smock Knives Sniper Bladeworks Snody Knives Snow & Nealley Something Obscene Company Southern Grind Spalinger Gear Spartan Blades Sparrow Knife Co. Squid Industries StatGear Station IX Knives St. Clair Designs Stedemon Knife Company Steel Addiction Knives Steel Will Knives Stice Handmade Knives Stone River Gear Streamlight Strider Knives Stroup Knives Suehiro Summit Knife Co. SuperKnife Suncraft Suprlativ Knives Surefire SURVCO Svord Knives Swiss Advance Swiss Tech Swiza Tactical Geek Tactikey Tactile Knife Co. Tactile Turn Tallen Taylor of Old Bond Street TB Outdoor TEC Accessories Tekna Tekut Knives Terrain 365 Terzuola Tactical TheBottleBruiser Three Rivers Manufacturing Ti2 Design Timberline Knife & Tool Timor TiSurvival Titaner Tool Logic Toor Knives TOPS Knives Trangia TRC Knives Treeman Knives Trumark TuffKnives Tuo Cutlery TuyaKnife Uberleben UCO ULTICLIP Ultimate Defense Knives Ultimate Survival Technologies UMX Uncle Henry Unique Cases Urban Tactical Utica Cutlery Co. Utility Tool Knives UZI Vault Case Co. Vargo Outdoors Vero Engineering Vertx Viking Tactics Violent Little Machine Shop Viper Knives ViperSharp V Nives Volcan Knives Voodoo Resins Wallace Edged Tools Wander Tactical Warthog Sharpeners Wasatch Outdoors Wasteland Oddities Wehr Knives WESN Wetterlings White River Knife & Tool Wicked Edge Wicked Wax Wiha Tools Williams Blade Design Wilmont Knives Wilson Tactical WingManEDC Winkler Knives Wise Men Company WKRMN (Workerman) Woods Monkey By LT. Wright Woodman's Pal WOOX Work Sharp Wusthof Knives Xeno Flashlights Xikar Xin Cutlery Yellow Birch Outfitters Zippo Lighters Zubin Axe Zwilling J.A. Henckels Knives Blade HQ Collections Urban EDC Supply Garage Built Gear Austere MFG JRW Gear Schenk Knives Attn2Detail Mercantile Nate Summers Knives
Loading Filters
Showing 1 - 24 of 110 items
of
thumbnail

Extrema Ratio KH Kukri Fixed Blade Knife Black Forprene (13.375" Black)

MSRP: $582.95
Our Price: $461.00
Add to Cart
thumbnail

Extrema Ratio Dark Talon BF3 Basic Folder Combat Knife (4.72" Black Plain)

MSRP: $251.95
Our Price: $198.00
(2)
Add to Cart
thumbnail

Extrema Ratio Ultramarine Fixed Blade Knife (5.875" Black)

MSRP: $791.95
Our Price: $623.00
Add to Cart
thumbnail

Extrema Ratio Selvan Fixed Blade Knife Black Polymer + OD Sheath (6.25" Black)

MSRP: $600.00
Our Price: $405.00
Add to Cart
thumbnail

Extrema Ratio BD4 R Folder Pocket Knife Black Aluminum (4.75" Black)

Our Price: $174.00
Add to Cart
thumbnail

Extrema Ratio Fulcrum C Testudo Fixed Blade Knife (4.3" Black Serr)

MSRP: $309.95
Our Price: $244.00
Add to Cart
thumbnail

Extrema Ratio Col Moschin Desert Warfare Fixed Blade Knife Tan (6.3" Black/ Tan)

Our Price: $417.00
Add to Cart
thumbnail

Extrema Ratio Waki Fixed Blade Knife Black (11.7" Black)

Our Price: $416.00
Add to Cart
thumbnail

Extrema Ratio AMF Desert Fixed Blade Knife Tan Forprene (8" Stonewash)

Our Price: $394.00
Add to Cart
thumbnail

Extrema Ratio Nightmare Karambit Liner Lock Knife Black Aluminum ( 3" SW)

Our Price: $264.00
Add to Cart
thumbnail

Extrema Ratio Nightmare Karambit Liner Lock Knife Black Aluminum ( 3" Black)

Our Price: $283.00
Add to Cart
thumbnail

Extrema Ratio T4000 C Tanto Fixed Blade Knife Black Forprene (4" Black)

Our Price: $245.00
Add to Cart
thumbnail

Extrema Ratio N.K.3 Fixed Blade Tanto Neck Knife (2.75" Stonewash)

Our Price: $159.00
Add to Cart
thumbnail

Extrema Ratio N.K.3 Fixed Blade Tanto Neck Knife (2.75" Black)

Our Price: $171.00
Add to Cart
thumbnail

Extrema Ratio Corvo Fixed Blade Knife Black Forprene (7" Black)

MSRP: $391.95
Our Price: $322.00
Add to Cart
thumbnail

Extrema Ratio Operativo Fixed Blade Knife Black Forprene (7.625" Black)

MSRP: $523.95
Our Price: $420.00
Add to Cart
thumbnail

Extrema Ratio Col Moschin C Fixed Blade Knife Tan Forprene (4.25" Black)

MSRP: $345.95
Our Price: $273.00
Add to Cart
thumbnail

Extrema Ratio Col Moschin C Fixed Blade Knife Black Forprene (4.25" Black)

MSRP: $327.95
Our Price: $258.00
Add to Cart
thumbnail

Extrema Ratio Dobermann IV Fixed Blade Knife Black Forprene (7.25" Black)

MSRP: $460.95
Our Price: $363.00
Add to Cart
thumbnail

Extrema Ratio KS Kukri Fixed Blade Knife Black Forprene (9.5" Black)

MSRP: $475.95
Our Price: $374.00
Add to Cart
thumbnail

Extrema Ratio Shrapnel Fixed Blade Knife Black Forprene (3.75" Black Testudo)

MSRP: $295.95
Our Price: $235.00
Add to Cart
thumbnail

Extrema Ratio Shrapnel OG Fixed Blade Knife Tan Forprene (4.25" Tan Camo)

MSRP: $323.95
Our Price: $256.00
Add to Cart
thumbnail

Extrema Ratio Fulcrum C Fixed Blade Knife Tan Folprene (4.3" Geo Camo Tan/Black)

MSRP: $0.00
Our Price: $258.00
Add to Cart
thumbnail

Extrema Ratio BF2 Desert Warfare Liner Lock Knife Bronze Aluminum (3.5" Black)

MSRP: $273.95
Our Price: $225.40
Add to Cart
of

Follow us on

Blade Club

Join the Blade Club to start earning rewards - It's free Join Today!

Contact us

Phone Hours (MST)

Monday - Friday
7:00am - 5:00pm

Phone:

1.888.252.3347

Email:

Contact us here

Resources

Store Info

Our Address

166 Adwolfe Rd
Marion, VA 24354

Store Hours

10am-7pm Tuesday - Friday
8am-5pm Saturday

Closed Federal Holidays

Blade HQ Copyright © 2023 Blade HQ. All rights reserved
Give Feedback