STADEA 5" Diamond Polishing Pads Grit 3000 Wet for Granite Concrete Stone Polishing Resin based Diamond abrasive, 5" Diamond Polishing Pads Wet Grit 3000 - 1 Piece Used with Wet Grinders Polishers variable speed/constant speed Used for Granite, Concrete, Marble, stones, tiles polishing Optimal RPM 2200 Max RPM 4000 Also available in Grit 10, 30, 50, 100, 200, 400, 800, 1500, 3000, 6000, White Buff