Adjustable Gantry Crane Load Capacity 2 000 lb Min I Beam Height 114 in Max I Beam Height 144 in Height Adjustment Adjustable Height Adjustable Increments 6 in Gantry Crane Span 8 ft Gantry Crane Clear Span 6 ft Gantry Crane Depth 4 ft 5-3/4 in I Beam Height 6.0 in I Beam Flange Width 3.31 in Color Gray Material Aluminum Caster Type (4) Swivel Caster Material Glass/Nylon Wheel Diameter 8 in Wheel Width 2 in Includes (4) Position Locking Swivel Casters with Roller Bearings