... 2.Applying to ceramic,granite,artifical stone and glazed brick. 3.Grits from 36# to 500# Industrial brush ♦ .Product information 1.Producing ... an antique look (angeing finish) on the marble, granite, stone slab ect.2 ... #, 180#, 240#, 320#, 500#.Different qualities are available upon request. Industrial brush,abrasive brush for stone