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" (110V, 1000-4500 RPM adjustable, 1000 Watt, side handle, D Handle, side handle, water feed system, 3 extra carbon brush, 5/8"-11 Thread ) New Version Wet Variable Speed Polisher.
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