4''diamond dry polishing pad 1)diameter:80,thickness:2.0, 2)usage:for granite,marble,concrete,etc 3)dry use 4)with long ... •Extremely long life•We can produce different granularites and size as requestedThe detail of diamond dry polishing pad: SizeDiaThicknessGritDPP-180mm2.0mm50#,100#,150 ... .0mmDPP-3125mm2.0mm2012 China Xiamen International stone exhibition: 4 inch diamond dry polishing pad