TORQUE: The Bosch GOP40-30B Oscillating Multi-Tool Kit features the StarlockPlus 3-D tool-accessory interface which produces the best-in-class grip and greater torque transfer. Lightweight and compact, the GOP40-30B weighs only 3.3 lbs VERSATILITY: The GOP40-30B offers multi-tool versatility by accomplishing flush-cutting, plunge-cutting, sanding, grinding, and many other tasks COMPATIBLE: The GOP40-30B features a dynamic accessory range by utilizing all Starlock and StarlockPlus accessories VARIABLE SPEED: The oscillating tool includes a variable speed dial to adjust speeds from 8,000 to 20,000 oscillations per minute. The 4.0-amp motor with reinforced metal gearing provides heavy duty power CONVENIENT: The oscillating tool features a snap-in tool-less accessory attachment and release lever for no-touch, easy release of blade meaning no more burned fingers