Hitachi SP18VA(H) 11-Amp 7-Inch Variable Speed Disc Sander/Polisher 11 Amp, 2,560W motor for forcible power that supports a variety of applications Heat resistant bearing chamber and iron ball bearings to extend tool life and durability Three electronically controlled devices; constant speed control, soft start, and two-way variable speed controls located on both the trigger and dial for flexibility and control Loop-handle design, for efficiency and comfort 6.2 lbs, lightweight design facilitates maneuverability and ease of use