27 Pieces of 5″ Diamond wet dry (wet use recommended) Polishing Pad + 2 Pieces of 5″ Professional Grade Glaze Buffing Pad (it brings natural granite marble mirror like polished result). 1 Piece of FREE GIFT 5 Rubber Backer/Pad Holder. (5/8-11 female Thread arbor). Remind: Rubber Backer’s max velocity / capacity is 5000RPM, please don’t use it with high speed grinder/polisher. 27 Pieces of 5 Diamond Polishing Pad for granite marble concrete stone. 6 X Grit 50 100. 5 X Grit 200. 4 X Grit 400. 2 X Grit 800 1500 3000. 2 Pieces of 5 Professional Grade Glaze Buffing Pad. (they bring natural granite marble mirror like polished result). 1 Piece of 5″ (5/8″-11 female Thread arbor) FREE GIFT Rubber Backer/Pad Holder. Remind: Rubber Backer’s max capacity is 5000RPM, please don’t use it with high speed grinder/polisher. Recommend 3500 – 5000 rpm. Wet or dry use (wet use recommended).