Features: Suitable for grinding various stone such as marble, granite, terrazzo, ceramics, concrete and other processing and polishing. Made of high strength diamond, with wear resistance,and long service life. High grinding efficiency, high degree of finish, unbroken edges, ensure good grinding effect. Good polishing effect, there are no scratches and colors on the stones after grinding and polishing 10 kinds of different grits of diamond polishing pad for your choice, meet your different needs. Specification: Material:Diamond powder, resin binder Model:3inch,4inch(Optional) 3inch（50.100.150.300.500.800.1000.1500.2000.3000 grid） 4inch（50.100.150.300.500.800.1000.1500.2000.3000 grid） Package list: 10 x Diamond Polishing Pad 1、Suitable for grinding various stone such as marble, granite, terrazzo, ceramics, concrete and other processing and polishing. 2、Made of high strength diamond, with wear resistance,and long service life. 3、High grinding efficiency, high degree of finish, unbroken edges, ensure good grinding effect. 4、High grinding efficiency, high degree of finish, unbroken edges, ensure good grinding effect. 5、Good polishing effect, there are no scratches and colors on the stones after grinding and polishing