... , 3.durable, 4.stronger flexibility than WA, 1.abrasive product cover various specifications of vitrified abrasives with the diameter ... would like to help with you to develop new-style abrasive tools, and to tackle a key problem7.Wheel should be ... written according to the order, shape, size, abrasive material, grain, grade, , and speed SpeciesCode No.colorfeaturesselectionbrown fused ...