10/8PCS Set Diamond Polishing Pads 4 inch Wet Dry Granite Marble Concrete Stone Diamond Polishing Pads Feature: Included: 7 pieces of Diamond Polishing Pads : 50, 100, 200, 400, 800, 1500, 3000 & one backer pad(M10 Thread), total 8 pieces. Durable: Diamond Polishing Pads Strong grinding force and smoothness.High wear resistance, polishing effect is good. Polishing Kit: Diamond Polishing Pads For wet and dry polishing. Diamond Polishing Pads Recommended to use polishing pads with water for best results. Application: Diamond Polishing Pads Perfect for granite, engineered Stone, concrete, marble, limestone, Travertine and slate polishing etc. Note: Diamond Polishing Pads should never been run over 5000 rpms for optimum performance Diamond Polishing Pads Specification: TypeDiamond Polishing Pads Diamond Polishing Pads MaterialDiamond powder and resin powder Diamond Polishing Pads Size100mm/4in Diamond Polishing Pads Inner Diameter16mm/0.63in Diamond Polishing Pads Backer Pad ThreadM10 Thread(10mm/0.4in) Diamond Polishing Pads Thickness3mm/0.12in Diamond Polishing Pads Grits50 ,100 ,200 ,400 ,800 ,1500 ,3000 Package Included 1 x 50 Diamond Polishing Pads 1 x 100 Diamond Polishing Pads 1 x 200 Diamond Polishing Pads 1 x 400 Diamond Polishing Pads 1 x 800 Diamond Polishing Pads 1 x 1000 Diamond Polishing Pads 1 x 1500 Diamond Polishing Pads 1 x 3000 Diamond Polishing Pads 1 x 6000 Diamond Polishing Pads 1 x Backer Pad M10 Thread