... delivery will attract your eyes. vitrified grinding wheel 1. Sharp cutting, 2. good edges holdout, 3.stronger flexibility than WA ... than Boron carbide and Diamond, friable, its girt is sharp, and Thermal conductivity4 Suitable for grinding Hard alloy, ... High-speed steel, High-carbon steel,Chromium corundumPAPink,rose-red Sharp cutting, good edges holdout, durableSuitable for form grinding, knives, ...