This product has a 3-point locking system with 7-gauge leaf hinges to prevent sagging. It has shelves that bolt into place easily using fasteners provided and adjust on 2-1/4� centers. It has double doors that open at 180� and the cabinets ship fully assembled. Overall Dimensions (In.) LxWxH: 36.1875 x 20.0625 x 42 For industrial storage items, a signature will be required to accept the delivery. If the item is not acceptable condition, sign for it as damaged or refuse the shipment. Please visit our Shipping Policy for further information.