Convertible Hand Truck performs double duty to take on your heaviest boxes with ease. Use it as a vertical hand truck to carry cartons and crates up to 250 lbs. For larger, heavier packages up to 400 lbs., the horizontal aluminum platform extends over 50% to carry the load. Hardworking aluminum construction provides long-lasting durability. Its versatile, collapsible design fits in small spaces for easy, tuck-away storage. Fitted with two 6″ and two 3″ solid rubber wheels to keep the convertible cart rolling smoothly for years.