... will attract your eyes. vitrified grinding wheel 1. Sharp cutting, 2. good edges holdout, 3.stronger flexibility than WA ... can be used widelysuitable for normal steel grinding, grinding, rough grinding, higher anti-pulls Intensity metal grinding as well, ... speed steel, High-carbon steel,Chromium corundumPAPink,rose-red Sharp cutting, good edges holdout, durableSuitable for form grinding, knives, ...