Extrema Ratio

Extrema Ratio, located in Prato, Italy, has been designing, manufacturing and selling high performance combat knives since 1997.

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Extrema Ratio Knives for sale.

Discover the premium quality and superior craftsmanship of Extrema Ratio knives and tools. Find maximum efficiency, perfect for outdoor survival tasks.

Extrema Ratio is renowned for its robust and reliable knives and tools. Ideal for survival, camping, or tactical purposes, these Italian crafted tools define durability and precision. Experience the best with Extrema Ratio.

Extrema Ratio Knives

Extrema Ratio® is a globally recognized Italian knife manufacturer specializing in tactical, military, and survival knives of the highest caliber.

Known for their precision engineering, brutal durability, and no-compromise combat readiness, Extrema Ratio knives are trusted by elite military units, law enforcement agencies, and survival experts worldwide. At Chicago Knife Works, we proudly bring you the finest selection of Extrema Ratio tactical knives crafted for real-world performance.

🇮🇹 Made in Italy – Built for the World’s Harshest Environments

Since 1997, Extrema Ratio has been dedicated to producing professional knives designed and manufactured entirely in Italy. Each knife is the result of meticulous design, extensive field testing, and collaboration with military professionals. Whether in combat zones, tactical rescue operations, or extreme survival situations, Extrema Ratio knives are engineered to excel under pressure.

  • 🔪 Tactical knives used by elite special forces
  • ⚔️ Fixed blade and folding knives built for combat and survival
  • 🛠️ Made from Böhler N690 steel, hardened to perfection
  • 🔒 Reliable locking systems and ergonomic grips
  • 🧰 Multi-role tools for field, military, and emergency use

🔍 Popular Extrema Ratio Knife Series

🪖 Extrema Ratio Fulcrum Series

  • Iconic fixed-blade tactical knife used by Italian military units
  • Extremely strong tanto blade for breaching and combat tasks
  • Available in multiple finishes, handles, and lengths

🗡️ Extrema Ratio RAO Series

  • Folding survival knife with dual-locking system
  • Massive, field-ready blade for bushcraft and emergencies
  • Comes with a MOLLE-compatible sheath and survival kit

🚨 Extrema Ratio MF & BF Series

  • Medium and basic folders for everyday carry and tactical use
  • One-handed deployment, sturdy liner-lock or frame-lock systems
  • Designed for military, EMTs, and first responders

🏕️ Extrema Ratio Requiem & Misericordia

  • Ultra-light fixed blade knives made for rapid deployment
  • Used by modern special operations units for stealth missions
  • Slim, fast, and lethal in the field

💡 What Sets Extrema Ratio Apart?

  • ✅ Premium Italian craftsmanship and military-grade standards
  • ✅ Robust design philosophy with user safety in mind
  • ✅ Black oxide or MIL-C-13924 compliant coatings for stealth
  • ✅ Modular sheaths and MOLLE-compatible accessories
  • ✅ Limited lifetime warranty on materials and workmanship

🛒 Shop Extrema Ratio Knives at Chicago Knife Works

At ChicagoKnifeWorks.com, we are proud to offer a curated selection of Extrema Ratio knives. Whether you’re building a tactical kit, prepping for deployment, or seeking a top-tier survival blade, these Italian-made tools deliver unmatched reliability and performance.

  • Browse All Extrema Ratio Knives
  • Explore Tactical & Military Knives
  • Shop Fixed Blade Knives

Extrema Ratio – Where Combat Meets Craftsmanship.

The Precision of Extrema Ratio Knives

Every knife made by Extrema Ratio showcases exceptional sharpness with the precision of Italian craftsmanship. It’s not just a knife; it’s a tool designed with perfection.

Unmatched Sharpness with Extrema Ratio Tools

Keep your knives razor-sharp with Extrema Ratio’s tool sharpeners. Built to last, these tool sharpeners ensure your knife is always ready for any task.

Why buy Extrema Ratio?

  • High-grade materials ensuring durability and long life.
  • Uncompromising sharpness ideal for any task.
  • Easy to use tool sharpeners maintaining optimal blade performance.
  • Trusted by professionals for consistent, quality performance.
  • Distinct Italian craftsmanship adding elegance to functionality.

Experience Outdoor Survival With Superior Tools

Surviving the wild becomes an easy task with the right tools. Extrema Ratio knives and tool sharpeners are a worthy addition to your survival kit.

Upto 38% Off | Shop Extrema Ratio Knife & Tools for Sale

Shop now to experience the supreme quality of Extrema Ratio and avail up to 38% off on all our sharpeners and knives. Don’t miss out on this fantastic deal!

🛒Upto 38% discount on MSRP
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