The Makita Angle Sander has an extra heavy duty 15.0 Amp motor for high production; lock-on feature for continuous operation and accepts up to 7 in. Sanding discs and 7 in. or 9 in. grinding wheels with correct guards. It includes a side handle can be installed on either side of the tool and a rugged metal housing for longer tool life. The Angle Sander has an AC/DC switch for use with alternative power sources.