... pad 1)diameter:80,thickness:2.0, 2)usage:for granite,marble,concrete,etc 3)dry use 4)with ... long life The description of dry polishing pad:1, Grit:50,100,150, ... for polishing mable,granite and other special-sharped stone.4, We gain a good reputation of this kind of ... .0mmDPP-3125mm2.0mm2012 China Xiamen International stone exhibition: 4 inch diamond dry polishing pad