Accessories

The Extrema Ratio Accessories category gathers original spare parts and accessories designed to maintain, restore, and prolong the efficiency of tools over time. Every accessory is created to integrate perfectly with the product, respecting its geometries, materials, and function. No forced adaptations. No generic solutions.

Designed for real-world use

A used knife works. A tool that works wears out. Extrema Ratio accessories exist to allow the tool to continue doing what it was designed for, without compromising performance, safety, or reliability.

Survival Kits & Tools

Compact support systems designed for self-sufficiency, emergencies, and managing the unexpected. Essential, always ready when needed.

Sharpeners

Practical solutions for edge restoration. To maintain blade effectiveness over time, even far from dedicated equipment.

Sheaths & Handles

Original components to replace, update, or customize. Same compatibility, same quality.

Closing the circle

Choosing an original accessory means recognizing the value of the tool and taking care of it over time. Not to preserve it, but to keep using it.