Remind: This is 110 Voltage. 3 extra pairs of carbon brush included. Carbon brush is consumable parts of all types of polisher. They need to be replaced when they are exhausted. Otherwise polisher stop working. 16 Pieces of 4 (11 MM Thickness) Diamond Polishing Pad. 3 X Grit 50 100 200 400. 1 X Grit 800 1500 3000 6000. And 1 Piece of 4 (3.3 MM Thickness) Diamond Glaze Buffer. (it brings mirror like polished result to natural granite marble). And 1 Piece of 4 Diamond Turbo Grinding cup wheel for stone concrete surface grinding (velcro backed, using with the aluminum backer). And 1 X 4 (4 Inch) aluminum Velcro backer/Pad Holder.