... 1)diameter:80,thickness:2.0, 2)usage:for granite,marble,concrete,etc 3)dry use 4)with long life The ... for polishing mable,granite and other special-sharped stone.4, We gain a good reputation of this kind ... long life time for polishing Item No DDP-2 Thickness 2.0mm Diameter 100mm Grit 50,100,150,200, ... 0mmDPP-3125mm2.0mm2012 China Xiamen International stone exhibition: 4 inch diamond dry polishing pad