... 1)diameter:80,thickness:2.0, 2)usage:for granite,marble,concrete,etc 3)dry use 4)with long life The ... 150,200,300,400,500,800,1000,1500,2000,3000.2, This kind of polishing pad only use in dry ... and long life time for polishing Item No DDP-2 Thickness 2.0mm Diameter 100mm Grit 50,100,150,200,300 ... 2100mm2.0mmDPP-3125mm2.0mm2012 China Xiamen International stone exhibition: 4 inch diamond dry polishing pad