DEWALT DWE6423K Variable Speed Random Orbit Sander, 5" 3.0 Amp motor spins the pad at 8,000 - 12,000 OPM Shorter height minimizes the distance between user and work piece Design reduces vibration and the rubber over-mold in critical areas reduces user fatigue Dust-sealed switch for dust protection for longer switch life Dust bag has one-hand locking system