Fixed Steel Gantry Crane. Industrial Steel Gantry Cranes are designed for transporting and positioning materials. Solid steel construction will provide years of service. Choose from a variety of sizes. Large 8" diameter locking phenolic casters with roller bearings will facilitate easy mobility from one area to another. More economical and flexible than permanent cranes. Features quick setup design. Blue finish. Hoist and trolley sold separately. Specs: overall beam length 8'; overall beam height 4"; under I-beam to ground 5'9"; base width 48"; flange width 2.66"; capacity 500 lbs.