Easily position the M-1 under trailers to support and stabilize while loading and unloading. The side-crank provides employees plenty of room to avoid “knuckle busting” while positioning the jacks. The M-1 is also available in a front crank option to reduce the amount of time employees spend between the docks and trailers. It helps prevent trailer tip-over or up-ending due to landing gear failures. It will hold steady under a heavy load. It improves ergonomics over the traditional stand and is very easy to maneuver. Meets and Exceeds OSHA requirements..