1Made of highquality diamond powder impregnated in resin, strong and durable, and suitable for wet or dry polishing of stone. 2The pad holder has water inlet holes and can be used for wet polishing. Wet sanding can minimizing scratches 3Suitable for grinding and polishing granite, concrete, marble, stone, ceramic tile and glass. 4Durable, not easy to damage, do not need frequent replacement, very convenient. 5With compact size, very easy to carry and store, and it can saving time and improve work efficiency. Item Type: Sanding Discs Material: Diamond Model: 3 inch white ground polishing pad (800 mesh) Color: Purple Grit Size: 800 grit Outer Diameter: Approx. 80mm / 3.1in Inner Diameter: Approx. 12mm / 0.5in Processing Objects: Marble, diamond, stone, ceramics, terrazzo, concrete polishing Scope of Application: Stone, ceramic, terrazzo, concrete polishing 10 xSanding Discs