Jet 649600 3HP, 1Ph, DRO, Tables and Casters. Drum Sander has even more great features. We added a digital readout that displays the exact thickness of the finished piece or allows the user to preset the exact thickness they want for the finished piece. Four casters mobilize your drum sander and also lock into place for stability during use. Both infeed and outfeed tables come standard with the 22-44 PRO-3 and provide extra support for the workpiece. The powerful 3HP motor is designed for heavier use for longer periods of time.