... thick) or 4"(3mm thick) 2.Grit:50#,100#,150#,300#,500#,800#,1000#,1500#,2000#,3000# DescriptionDiameterThicknessGritWet polishing pads3"2.5mm50 ... #,100#,150#,300#,500#,800#,1000#,1500#,2000#,3000#4"3mmWet polishing pads is for curved surface and the small plane ... high gloss in a short time,as compared with conventional polishing wheel.3)Suitable for the grinding process of the curved or ...