Truck easily converts from a two-wheel hand truck to a two-wheel hand truck with extended shoe to a four-wheel platform truck. Heavy-duty extruded aluminum frame is bolted together for extra strength. Truck features two cast aluminum wheels with molded-on solid rubber tires & two 4" x 1-1/8" swivel casters for use with the platform truck. Large 29" x 12" extendable shoe folds down to handle oversize loads & serves as the handle for the platform truck. Features a 500 lb. capacity as a two-wheeler; 600 lb. as a four-wheeler; natural aluminum finish with red & black accent stripes & steel red shoe.