... :4mm 2.Wth velcro,wet working mode 3.Made from silicon carbide marble polishing pads J-L-L,diamond polishing pads,flexible ... Grits 50#,100#,200#,400#,800#,1500#,3000#,Buff(White/black)50#,150#,300#,500#,1000#,2000#,3000#,Buff(White ... /black)Diameter(inch)3"4"5"6"7"8"9"Diameter( ...