The high-power 7-Amp motor spins the belt at a rate of 820 ft. per minute for fast and easy material removal. The front roller extends past the top edge of the housing . allowing the belt to reach and sand even the tightest of corners. The sander weighs in at a mere 6 lbs. . limiting the fatigue of the user during operation due to its light yet powerful design. The lock-in safety feature allows for continuous sanding without requiring a constant grip on the trigger switch. Includes a belt release lever for easy sandpaper changes . a dust bag for minimal clean-up . and an adjustment knob to correctly align the belt if needed. And because this is a WEN Product . your WEN 3 in. x 21 in. 7-Amp Heavy Duty Belt Sander . a nationwide network of skilled experienced technicians . and a helpful customer service line. No woodworker’s shop is complete without the WEN 3 in. x 21 in. 7-Amp Heavy Duty Belt Sander.