Shelves are 12 ga. reinforced steel with 2" lips, corners welded and return bends for extra strength. 2,000 lb. weight capacity per adjustable shelf. Super structure with corners angle framed. Heavy duty lockable door handle (casting), padlock not included. Extra heavy duty full length piano hinges welded to frame to retain doors. 4" H. legs allow for movement of empty unit with fork lift truck. Overall height - 78". Powder coat black finish. FOB Shipping Point.