POWERSTATEâ„¢ Brushless Motor: Generates the power and torque of larger 8A corded belt sanders for faster material removal. Compatible only with 3 inch x 18 inch sanding belts. Variable Speed Dial provides a belt speed range from 1350SFM to 750SFM (Surface Feet per Minute) for greater control of the removal rate in application. Automatic belt tracking technology keeps the sanding belt centered on the drive rollers for straight alignment.