Perfect for Granite, Concrete, Marble, Stone, Tiles etc.Aggressive and Durable made with quality Diamond Powder impregnated in ResinThe backer/pad holder are with water feed hole, can be used for wet polishing.Diamond Polishing Pads 4 inch Wet/Dry 16 Piece Set Granite Stone Concrete MarbleDiameter: 4 inch (10cm)Color: colorMaterial: resin + diamondPackage Include:3 X 50Girt Grinding sheet3 X 100Girt Grinding sheet2 X 200Girt Grinding sheet2 X 400Girt Grinding sheet2 X 800Girt Grinding sheet1 X 3000Girt Grinding sheet1 X 6000Girt Grinding sheet1 X 10000Girt Grinding sheetOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.