MAKITA BO5031 - 5" Random Orbit Sander - Variable SpeedWide variable speed range 4, 000 12, 000 OPM for polishing, finishing sanding, and abrasive work True random orbit action for swirl free finish Ergonomically designed rubberized palm grip for improved operator comfort and control Dust bag adjusts 360 to keep bag out of the way Efficient through the pad dust collection system uses jet engine technology to remove dust quickly Pad control system maintains sanding pad at a controlled speed upon start up