dry diamond polishing pads by stadea - 4" Set of 8 Pads STADEA - Series Ultra C, 4" dry diamond polishing pads set of 8 pieces granite pads 1 piece pad each for Grit (50, 100, 200, 400, 800, 1500, 3000, Black Buff) diamond pads, a polishing pads set designed for granite polishing Flexible dry diamond polishing pads for granite polishing for mirror like finish. Works great for other stones, marble, concrete, terrazzo, travertine polishing as well Aggressive durable pads with 1.2 mm thickness, velcro backed and extra flexible to polish contoured (Demi, bullnose etc) or straight surface Optimal RPM 1800 Max RPM 3000, designed for granite dry polish, works without water / wet polisher no watery mess