One man can remove or replace doors. Built to last with 1-1/2 inch steel tubing. Precision height adjustment. Self leveling arms that tilt and lock. Wide stance for stability Removing or replacing doors is now a 1 man job. Our heavy duty door lift is operated with a 3/8 inch air ratchet for precision lifting. Made from 1-1/2 inch Steel tubing it has a wide stance for stability. The lifting arms are self leveling and will tilt and lock in place. It comes with locking and swivel casters.