Work Sharp Extra-Coarse Abrasive Belts are intended for restoring heavily-damaged edges or complete reprofiling applications. Our special Norton formulation allows for aggressive, rapid material takeoff without overheating your steel. These are a coarser grit than the coarsest grit included with the Blade Grinding Attachment belt assortment. Includes: Three (3) individual P120 grit abrasive belts for the Blade Grinding Attachment to the Ken Onion Edition Knife & Tool Sharpener