Spyderco Tri-Angle Stones, Cubic Boron Nitride Rods, Set of 2 (204CBN)

Cubic Boron Nitride (CBN) is a superabrasive that is second in hardness only to diamond. It offers greater abrasion resistance and thermal conductivity than conventional abrasives like silicon carbide and aluminum oxide, making it the preferred abrasive in many advanced industrial grinding applications. Sold as a pair. 7” X 0.5” (178mm X 13mm).