10pcs Wet Dry Diamond Polishing Pads 4 Inch Set Kit for Marble Concrete Granite Features: - Includes: 9 diamond polishing pads (50, 100, 200, 400, 800, 1000, 1500, 3000, 6000 grit) and 1 backer pad with M10 thread – total 10 pieces - Durable polishing pads with strong grinding power and smooth finish; high wear resistance for effective performance - Suitable for both wet and dry polishing; best results achieved when used with water - Ideal for polishing granite, engineered stone, concrete, marble, limestone, travertine, and slate - Do not operate diamond polishing pads above 5000 RPM for optimal performance Specifications: - Type: Polishing Pad - Material: Diamond powder and resin - Size: 100mm / 4 inches - Inner Diameter: 16mm / 0.63 inches - Backer Pad Thread: M10 (10mm / 0.4 inches) - Thickness: 3mm / 0.12 inches - Grits: 50, 100, 200, 400, 800, 1000, 1500, 3000, 6000 Package Includes: - 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 (M10 Thread)