1.Flexible Polishing pads are widely used for rough grinding, fine grinding, finishing grinding and polishing. 2.The diameter:3", 4", 5" 3.The Grit:50#,100#,200#,400#,800#,1500#,3000#,Buff or 60#,150#,300#,500#,1000#,2000#,3000#,Buff