DEWALT DW443 6-Inch Electronic Variable Speed Right-Angle Random Orbit Sander Electronic variable-speed from 4,300-6,800 OPM provides greater control of material removal rate Controlled finishing system maintains controllable pad speed and minimizes gouging during start up Dual-plane counterbalanced fan reduces user fatigue Sealed 100 percent ball-bearing construction Rubber grip and two-finger trigger for increased comfort and greater control