... polishing tools be written according to the order, shape, size, abrasive material, grain, grade, , and speed.2.Suitable for ... can be used widelysuitable for normal steel grinding, grinding, rough grinding, higher anti-pulls Intensity metal grinding as well, i.e ... red Sharp cutting, good edges holdout, durableSuitable for form grinding, knives, Measuring instrumentGreen silicon carbideGCgreenOnly no ...