1) 3'' Resin diamond polishing pad and grinding pad 2)Thickness:12mm ... 300,500,1000,2000,3000 4)dry and wet 3" resin bond floor grinding and polishing pad JS-003----- We ... designed with large,raised segment for long life.8. Applications: griding for concrete,stone, marble,granite,terrazzo, etc.9, For floor ... hand grinders and floor grinder or polisher. Pictures: 3" resin bond diamond polishing pad