4''diamond dry polishing pad 1)diameter:80,thickness:2.0, 2) ... ,800,1000,1500,2000,3000.2, This kind of polishing pad only use in dry condition.3, Application:used ... produce different granularites and size as requestedThe detail of diamond dry polishing pad: SizeDiaThicknessGritDPP-180mm2.0mm50#,100#,150#,200#,300#, ... .0mm2012 China Xiamen International stone exhibition: 4 inch diamond dry polishing pad