10pcs Wet Dry Diamond Polishing Pads 4 Inch Set Kit for Marble Concrete Granite Polishing Pads Features: Included: 9 pieces of diamond pads: 50, 100, 200, 400, 800, 1000, 1500, 3000, 6000 one backer pad (M10 Thread), total 10 pieces Polishing Pads Durable Polishing Pad : Strong grinding force and smoothness. wear resistance, polishing effect is good Polishing Kit: For wet and dry polishing. Recommended to use polishing pads with water for best results Application: Perfect Polishing Pad for granite, engineered Stone, concrete, marble, limestone, Travertine and slate polishing etc Note: Diamond Polishing Pad should never been run over 5000 rpms for optimum performance Included: 1 x 50 Polishing Pad 1 x 100 Polishing Pad 1 x 200 Polishing Pad 1 x 400 Polishing Pad 1 x 800 Polishing Pad 1 x 1000 Polishing Pad 1 x 1500 Polishing Pad 1 x 3000 Polishing Pad 1 x 6000 Polishing Pad 1 x Backer Pad M10 Thread