This 1 ton capacity gantry crane has a telescoping I-beam for increased lift. The all steel gantry crane adjusts from 99-1/2 in. to 148 in. high to provide a sturdy overhead lift point to lift car engines, heavy machinery or equipment. An easy crank handle allows for easy lifting and lowering while ball bearing casters let you move the lifted object hassle-free. This gantry crane is for use with a trolley hoist (sold separately).