Remind: This is 110 Voltage. Year 2021 New Version polisher color is Red+Black (Not blue). 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. 1 Piece of 4″ to 5″ Year 2021 New Version polisher color is Red+Black (Not blue). 8 Pieces of 4 (4 Inch / 100 mm) Diamond Polishing Pad. 1 X Grit 30 50 100 200 400 800 15 00 3000. 1 X 4 Diamond Glaze Buffer (it brings mirror like polished result to natural granite marble). 1 X 4-1/2 (115mm Diameter) Diamond Super Thin Turbo Saw Blade for granite marble ceramic porcelain cutting. And 1 X 4 (4 Inch) Velcro backer/Pad Holder.