... cutting, 2. good edges holdout, 3.stronger flexibility than WA,1.vitrified grinding wheel cover various specifications of vitrified abrasives ... speed steel, High-carbon steel,Chromium corundumPAPink,rose-red Sharp cutting, good edges holdout, durableSuitable for form grinding, knives, ... metallic and Nonmetallic material, i.e. Leather cutting/splitting/skiving Machine Accessories-Grinding Wheel