The selection of correct grinding wheel for tool sharpening is very important to successful job finishing of tools. CRYSTAL ABRASIVE tool room grinding wheels cover all tool room jobs such as reconditioning and sharpening of various types of tools and cutters. Straight wheels, cup wheels, dish wheels, mounted wheels and cut-off wheels are applicable for drills, broaches, taps, milling cutters, metal saws, reamers, gears, dies, hobs and other tools.