Portable Gantry Crane, Body Material Steel, Maximum Lifting Capacity 16,000 lb, I-Beam Flange Width 7.1 in, I-Beam Height 16.4 in, Height Adjustability Adjustable Height, Minimum Overall Height 6.5 ft, Maximum Overall Height 9 ft, Minimum Height Under Beam 6.5 ft, Maximum Height Under Beam 9 ft, Minimum Overall Span 21.6 ft, Maximum Overall Span 21.5 ft, Minimum Clear Span 18.6 ft, Maximum Clear Span 18.5 ft, Mobility Under Load Mobile, Rotating Legs Yes, Span Adjustability Fixed Span