Dewalt Right Angle Random Orbit Sander. Heavy-duty 6 in. sander with electronic variable speed. Variable speed from 4,300-6,800 opm provides greater control of material removal rate. Controlled Finishing System maintains pad speed and minimizes gouging during start up. Dual-plane counter-balanced fan reduces user fatigue. Sealed 100% ball-bearing construction. Accepts 6 in., 6-hole hook and loop paper. Rubber-coated gear case for low vibration operation.