New Age Industrial Extreme Duty Aluminum Utility Cart two-tier units are ideal for coolers, freezers, and dry storage. The heavy-duty design will transport loads up to 1500 pounds per shelf or 2000 pounds rolling capacity. The framework on these carts is constructed out of 1 1/2” x 1 1/2” x. 070” wall tubing. Shelves are made of .080” thick aluminum sheet. In addition, these carts come equipped with four 6” heavy-duty polyurethane platform-type casters, two swivels, and two rigid.