Dry polishing pads: Top quality, High efficiency, Excellent finishing, No need water Dry polishing pad is one kind of flexible diamond polishing pad, which is mainly used to polishing marble, granite, floor, etc.. It could be used on contoured and straight edges withHigh efficency, good flexibility and excellent finishing . No water needed while working.Diameter: 3", 4", 5"Grit: #50, #100, #200, ...