Buy It from Bulk Office Supply
'Convertible hand truck is functional and built to last. Heavy-gauge tubular steel frame has welded joints for extra strength. Offers a 14'' x 7'' toe plate. Features 8'' solid rubber wheels with ball bearings and 4'' solid rubber casters. Hand truck has a black baked enamel finish. Easily converts from a two-wheeled hand truck to a four-wheeled platform truck. Slide handle out of one set of tubes and into another. Two-wheel position holds 400 lb. Four-wheel holds 500 lb.