Ridgid R2720 3-Inch X 21-Inch Belt Sander 10 amp in-line design motor is belt- and gear- driven for added power and durability Variable-speed dial to match the speed to the desired removal rate to fit the application 3-position pommel handle can be positioned three different ways for optimal user comfort Flat face allows for flush sanding against vertical surfaces Soft start gradually accelerates motor for controlled start ups