For polishing granite,marble or concrete.. Diamond Hand Polishing Pad1).For polishing granite,marble or concrete.2).One set comes with 8pcs:50grit,100#,200#,400#,800#,1500#,3000#,Buff.3).Size:105x55x40x2mm thick diamond layer.4). Pad is Resin-bonded.4).Wet Polishing.