... abrasive thickness,Grit 50, 100, 200,400,800,1500,3000 Wet Polishing pads buff (Dong Sing Brand)Dia 100mmWet Polishing pads ... water fed during the operation, so they are also called wet pads. GRIT#50#100#200#400#800#1500#3000#5000BUFFCOLORBLUEYELLOWORANGEREDDARK ... #3000. For the buff, only less water is needed to wet the stone surface. This would make more friction resistance, and ...