... 3'' Resin diamond polishing pad and grinding pad 2)Thickness:12mm 3)Grit 50,150,300,500,1000,2000,3000 4) ... dry and wet 3" resin bond floor grinding and polishing pad ... no. covers 50,150,300,500,1000,2000,30004. 3" or customized sizes5. The exclusive thickness 12mm represents high ... grinders and floor grinder or polisher. Pictures: 3" resin bond diamond polishing pad