Spyderco Triangle Stone Ultra Fine Grit RX Ready medium or large size for

medium or large size for both left and right ears

Buoyancy: 53

provides no-slip security & maximum comfort with no pressure points

Stress points double stitched

fully extendable mast

Spyderco Triangle Stone Ultra Fine Grit RX Ready medium or large size forCubic 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. Now you can combine the advantages of this fast cutting abrasive with the convenience and ease of use of Spyderco's Tri Angle Sharpmaker with these