... be used widelysuitable for normal steel grinding, grinding, rough grinding, higher anti-pulls Intensity metal grinding as well, i.e.White aluminum ... rose-redSharp cutting, good edges holdout, durableSuitable for form grinding, knives, Measuring instrumentGreen silicon carbideGCgreenOnly no harder than ... taper cup wheel, type 9 dish wheel)Material(A,WA,GC,C,DA,DC,PA,38A) 250*25*32 PA Grinding Wheel