Makitas 5-Inch Disc Sander (model GV5010) combines power and comfort with motor-protection features for longer lasting industrial performance. The GV5010 is ideal for a variety of sanding applications. 3.9 AMP Motor Delivers 5,000 RPM. The GV5010 is powered by a Makita-built 3.9 AMP motor that delivers 5,000 RPM for fast and efficient sanding. The ball-and-needle bearing construction is engineered for longer tool life.