The 3 Pieces Glaze Buffing Pad in this package is the professional grade buff, they bring mirror like polished result to natural granite marble. This package carries (a)-(b). (a) 31 Pieces of 5 Diamond Polishing Pad for granite marble concrete. 7 X Grit 50 100. 6 X Grit 200. 5 X Grit 400. 2 X Grit 800 1500 3000. (b) 3 Pieces of 5 Professional Grade Glaze Buffing Pad. (they bring mirror like polished effect to natural granite marble). 3.2mm thickness. Recommend 2500 – 5000 rpm. Wet or dry use (wet use recommended).