Spyderco - Tri-Angle Cubic Boron Nitride Sharpening Stone with Superior Abrasion Resistance for Professional-Grade Finishing and Polishing - 2-Pack - 204CBN

High Performance: Cubic Boron Nitride is a superabrasive that is second in hardness to diamond and the preferred abrasive in many advanced industrial grinding applications., Professional-Grade: Designed for finishing and polishing of sharpened edges for maximum sharpness. It has a greater abrasion resistance and thermal conductivity than conventional abrasives like silicon carbide and aluminum oxide., Multifunctional: Sharpen all types of edges including serrated edges and fits into the 204 Sharpmaker Sharpening System., Easy to Clean: Simply scrub with a scouring pad and powdered abrasive cleaner. Let the product air-dry., Specifications: Sold as a pair, Overall Length (Inches): 7, Material: Cubic Boron Nitride (CBN)