Remind: This is 110 Voltage. Diamond wet and dry polishing pads (both) and grinding cup included in this package. 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. This package carries (a)-(e). (b) 19 Pieces of 5 (4 Inch / 100 mm) Diamond Wet use Polishing Pad. 3 X Grit 50 100 200 400 800. 2 X Grit 15 00 3000. (c) 1 Piece of 5 Diamond Glaze Buffer (it brings mirror like polished result to granite marble and natural stone). (d) 5 Pieces of 5 Diamond Dry Polishing Pad (5 step pad). 1 X step 1, step 2, step 3, step 4, step 5. (d) 1 X 5 (5 Inch) Velcro backer/Pad Holder. (e) 1 Piece of 5 Diamond Turbo Grinding cup wheel (velcro backed) for stone concrete surface coarse grinding. This polisher has no GFCI circuit breaker, our advice is plug this into a GFCI normally located in bathrooms and kitchens and using a extension cord from there.