1) 3'' Resin diamond polishing pad and grinding pad 2)Thickness:12mm 3) ... ,300,500,1000,2000,3000 4)dry and wet 3" resin bond floor grinding and polishing pad JS-003----- We supply ... for concrete,stone, marble,granite,terrazzo, etc.9, For floor removal, renovation, grinding, polishing.9. Fit on hand grinders and floor ...