3 extra pairs of carbon brush attached.

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)-(c):

(a) 1 Piece of 4" to 5" (110V, 1000W, 1000-4500 RPM adjustable, D Handle and side handle included) New Version Wet Variable Speed Polisher (Special remind: all the polisher we are selling are with lock ring, so this polisher can use with saw blade and cup wheel. many other sellers DO NOT attach the lock ring).

And 

(b) 16 Pieces of 4" Diamond Polishing Pad:

3 X Grit 30,

2 X Grit 50 100 200 400 800,

1 X Grit 1500 3000 6000, 

1 Piece of 4" Diamond Glaze Buffing pad (it brings mirror like polished result to natural granite marble).

And 1 X 4" aluminum backer/Pad Holder).

(c) 1 Piece of B5 (5mm / 3/16", for 5 MM HIGH OR THICK STONE CONCRETE) Demi / Radius / Half Bullnose Diamond Brazed Router Bit/Profile Wheel.

Details of this polisher: (1000-4500RPM adjustable, 110V, 1000W, 5/8"-11 Thread spindle, GFCI Interrupter, Water Valve and hose, 3 Extra Carbon Brush Set, Splash Guard.)