DuraBoard 48"L x 51-1/2"H x 29-3/4"W Aluminum Frame Tool Cart with Tray: Pull handle and durable neoprene casters (2 fixed and 2 swivel locking) make it easy to transport the carts across flat surfaces Narrow base allows the user to transport tools around tight corners and through narrow door openings Sturdy aluminum bottom tray provides 8 sq ft of additional storage space 32 sq ft of storage surface 650 lb load rating