Northern Industrial Tools Adjustable Gantry Crane - 4,400-Lb. Capacity All-steel construction Adjusts from 8ft. 3.5in. to 12ft. 8in.H to accommodate low roofs or overhead beams 7ft. 10in. wide between vertical beams Ideal for maintenance, manufacturing, repairs, and other material-handling tasks Can go where forklifts often can&#39;t