... grinding and polishing pad 2)Thickness:12mm 3)Grit 50,150,300,500,1000,2000,3000 ... 4)Good for stone,marble 3" resin bond floor grinding and polishing pad JS-003----- We supply premium grade ... diamond pads only Features:1. JS designed2. Use both wet and dry, wet better3. ... . covers 50,150,300,500,1000,2000,30004. 3" or customized sizes5. The exclusive thickness 12mm represents high ...