This set includes 10 wet diamond polishing pads and one piece backing pad. It is suitable for polishing granite, concrete, marble, stone, tiles, etc. Features: Made of high quality diamond powder impregnated with resin. Using a clearing agent special bond. Strong grinding force and fineness. Polishing quickly and using for a long time. < p> No color is left on the stone after polishing. Perfect for granite, concrete, marble, stone stone, tiles, etc. Support block: M10 / M14 (optional) Color: as shown< /p> Material: Resin Impregnated Diamond Powder Grain: 50#/100#/150#/300#/500 # / 800# / 1000# / 1500# / 2000# / 3000# (coarse to fine, 1 piece each) Outer diameter: 80mm / 3 in Internal diameter: 10mm / 0.4 in Thickness: approx. 3mm Package size: 10 * 10 * 8cm / 3.94 * 3.94 * 3.15in Weight Package Weight: 259g / 9.13oz Package List: 10* Wet Polishing Pads < p> 1 * Backer Pad Note: 1. Please allow 1-3mm error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item, pls in kind prevail.