The KF324 is driven by an electric motor at 400 strokes per minute. (specify voltage when ordering). The KF324 has a hand wheel for the jaw pressure adjustment. The jaws can be replaced in a matter of seconds so that you can quickly change from task to task. Mounted on heavy duty casters allows you to move the units around the shop or out of the way when not in use. These units are extremely popular in auto restoration and fabrication shops, as well as throughout the aviation industry. All tooling must be ordered separately.