This set includes 11pcs wet diamond polishing pads and a backup pad. Ideal for polishing granite, concrete, marble, stone, tile and more. Feature: Made of high quality resin impregnated diamond powder. Different grit polishing pads can meet your different needs. Strong crushing force and good fineness. Polishes quickly and lasts for a long time. No color will remain on the stone after polishing. Perfect for granite, concrete, marble, stone, tile and more. Feature: Color as shown Material: Resin impregnated diamond powder Grit: 3x50#+2x100#+200#+400#+800#+1500#+3000#+6000# Outer Diameter: 100mm/4 Inner Diameter: 15mm/0.6 Thickness: Approx. 3mm Packing List: 11 x Wet Polishing Pads 1 x Backing Pad Comment: 1. Due to manual measurement, please allow an error of 1-3mm. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item, please refer to the actual item.