These air-powered 3M Disc Sander, Pistol Grip tools are designed with operator comfort in mind and run any 3M Roloc product 3" or less with an RPM rating of at least 15,000. They are ideal for intermittent use on non-production spot sanding and finishing applications as well as paint prep and weld burn clean-up, and the pistol grip and 97 degree head provides improved operator comfort.