Utility Cargo Trailer Enclosed Spare Tire Carrier Holder Mount Wheel Bracket Mount Your Spare Tire Directly to The Wall Material: Anti-corrosion metal appearance,constructed of heavy duty aluminum Include: Aluminum-constructed bracket with zinc-platted steel nut,2 two bolt lengths.Bracket size:8.3 inch length,1.9 inch width and 1 inch high.Long bolt size:6 inch.Short bolt size:4 inch. Fits: Most trailer wheels with the hardware included. Function: Spare Tire Carrier Holder Mount Bracket mount your spare tire directly to the wall of your trailer,fasten tire.Save precious space.At the same time,It is convenient to repairing and carrying. Installation: Holds tire tight and flush against the inside wall of an enclosed trailer.