Bosch 5 In. 2.2A Random Orbit Sander2. 2A motor, 12,000 OPM. 5 In. discs. The Bosch ROS10 features a twist off dust canister that with anti spillback design that shows dust levels and easily detaches from the sander. The Bosch microfilter system traps particles as small as 1 2 micron in diameter and is the optimal system for filtering fine dust. The HookTight hook & loop disc attachment system has 35,000 long life hooks to ensure firm grip of standard hook & eye loop sanding discs (up