This package carries (a)-(c). (a) 1 piece of 110V Variable speed wet / water feed polisher. (b) 22 Pieces of 4 / 100 mm Diamond polishing Pad for granite marble concrete glass. 4 X Grit 50 100 200 400. 2 X Grit 800 1500. 1 X Grit 3000 6000. 1 Piece of 4 aluminum velcro Pad Holder. (c) 4 pieces of 4 (velcro backed) Diamond Grinding Turbo Cup Wheel for concrete travertine and stone.