Countertop Fabrication Kit 1/2" Half Bullnose 15 diamond pads for stone marble
(b)15 Pieces of 4" Diamond Polishing Pad for granite marble concrete. -with water feed hole, can be wet use. -ideal speed of grinder/polisher: 3500-4500 RPM. VERY IMPORTANT REMIND: Velcro Backer's max velocity / capacity is 5000 RPM.