Brushless motor requires no brush changesWhen a pinch, stall, or bind-up is sensed, the electronic brake engages with maximum force to quickly stop the wheel, reduce the movement of the grinder and shut the grinder offE-Switch Protection™ means in the event of a power outage or unexpected shut down, the on/off switch will need to be cycled to restart the toolIncludes: Max XR® Small angle grinder, Side handle, Hex key, Inner and outer flange, 4-1/2" Type 27 guardBatteries not included