diamond Polishing Pads 1.used for polishing marble, granite, etc. 2.fast polishing,high gloss finish and long lasting, diamond Polishing PadsMainly used for polishing marble, granite, etc. diameter Grains3"/8050#,100#,150#,200#,300#,400#,500#,800#,1000#,1500#,2000#,3000#,white buff,black buff,green buff4"/1005"/1256"/150 diamond polishing pads