Industrial Steel Gantry Cranes are designed for transporting and positioning materials along the beam's length. Solid steel construction will provide years of service. Large 8" diameter 4 position locking swivel casters with roller bearings facilitate easy mobility. More economical and flexible than permanent cranes. Features quick setup design. Order optional Lever Ratchet for easy one person height adjustment. Height is adjustable in 6" increments. Do not move units while loaded. Hoist and trolley can be ordered separately. Painted blue finish with warning and operating stickers and complete owner's manual. Designed for semi-permanent or permanent applications. Requires assistance from fork truck to set-up.