Set of 7 Wet Diamond Polishing Pads Aa Series 8 cm diameter high quality pads can be used for wet polishing Great for polishing granite, concrete, stone, terrazzo... Grit #50, #100, #200, #400, #800, #1500, and #3000 Recommend 5000 rpm max USPS shipping to your address, PO, APO, FPO box within a week!