Variable speed adjusts anywhere from 600 to 1500 RPM 2-in-1 design features both triangular and circular hook-and loop sanding heads with tool-free installation 5-amp head-mounted motor provides maximum torque to the hook-and-loop sanding disk Improved hole configuration maximizes dust collection for minimum cleanup (NOTE: round head only compatible with DW series replacement sandpaper, i.e., DW120SP) Features a 15-foot dust hose, six 9-inch sanding discs of assorted grits, six 11-1/4- inch triangular sandpapers of assorted grits, a collapsible body for easy transport and storage, and a two-year warranty