Thsi product has a 3-point locking system with 4 keys included and a punched diamond pattern in the doors that allows content visibility. It has full height welded piano hinges for increased strength and the double doors open at 180�. The adjustable shelves have a 300 Lbs. capacity and the fixed shelf has a 1250 Lbs. capacity. Overall Dimensions (In.) LxWxH: 36.125 x 18 x 72 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.