The powerful Flex Coat VSM DC gear motor comes with a variable speed control w/ off switch, precision manufactured slip clutch, and self adjusting chuck. Adjust the speed betweento suit the finish application for your custom build. The included slip clutch allows you to stop on a dime to touch up around the guide foot. And the self adjusting chuck is a quick, easy, and reliable way to secure the rod while finishing. Now equipped with a thicker slotted aluminum upright motor mount that allows for rod center height adjustments between 5 1/4 to 7 3/8.