12000 OPM. 1/4 Sheet sander combines simplicity with performance to deliver a perfect, smooth finish every time. Tis sander has a 2.0A motor equipped to handle a variety of sanding applications. It ensures fast and smooth results on all surfaces. This sander also features flush sanding ability so that you can sand in those vertical surfaces on all three sides. For maximum comfort and control, Bosch has also integrated 3-point counterbalance to reduce vibration along with an ergonomic soft grip top. This sander has all ball bearing construction, again increasing smooth operation and increasing the long life of the tool. Microfilter dust canister with integrated paper filter captures particles as small as a 1/2 micron.