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 Durable Polishing Pad: Strong grinding force and smoothness. High wear resistance, good polishing effect Polishing Kit: For wet and dry polishing. Recommended to use with water for best results Application: Suitable for granite, engineered stone, concrete, marble, limestone, travertine, and slate polishing Note: Diamond Polishing Pad should not be used above 5000 rpm for optimum performance Specifications: Type: Polishing Pad Material: Diamond powder and resin powder Size: 100mm / 4 inch Inner Diameter: 16mm / 0.63 inch Backer Pad Thread: M10 Thread (10mm / 0.4 inch) Thickness: 3mm / 0.12 inch Grits: 50, 100, 200, 400, 800, 1000, 1500, 3000, 6000 Package Included: 1 x 50 Grit Polishing Pad 1 x 100 Grit Polishing Pad 1 x 200 Grit Polishing Pad 1 x 400 Grit Polishing Pad 1 x 800 Grit Polishing Pad 1 x 1000 Grit Polishing Pad 1 x 1500 Grit Polishing Pad 1 x 3000 Grit Polishing Pad 1 x 6000 Grit Polishing Pad 1 x Backer Pad with M10 Thread