The Hazet Belt Sander, No. 9033N-4, offers a 10mm belt width for narrow surfaces. Users can regulate the rotational speed using a rotary controller on the back of the handle. This 420 watt pneumatic tool features a locking mechanism for belt changing, automatic belt adjustment and belt fine adjustment. The belt track can be rotated 360 degrees. A head wrench is integrated into the handle of the tool for belt fine adjustment and angle adjustment. Three 330 X 10mm abrasive belts with grain sizes 80, 100 and 120 are included.