The Bosch 3727DEVS 6-In. Random Orbit Sander/Polisher has an integral pad-dampening braking system to eliminate swirl marks on the finished piece. This tool provides rapid removal and an ultra-smooth finish. Any pro who needs to sand - especially woodworkers, cabinet makers and finish carpenters - will find that the sander does the job to exacting standards and swift results. To ensure a strong grip of the disc while in use, it employs Bosch's signature HookTight hook-and-loop disc attachment. And the microcellular backing pad is pliant to ensure a smooth, fine finish on both flat and contoured surfaces alike. The sander was designed with an ergonomic soft-grip top and body. It has variable-speed control from between 4,500 and 12,000 opm to match the speed to the task and includes an on-board system for filtering fine dust.