The Extreme Max Universal Fit Wall-Mount Spare Tire Carrier is designed for mounting inside an enclosed trailer or shop. It feature an all-steel construction for maximum strength and durability. When not holding a tire, the carrier fold flat against the wall, taking up minimal space. Its truly universal fit utilizes the axle hole on the wheel, holding the tire in place with a versatile crossbar and oversized wingnut for easy, no-tool access. Due to the variety of surfaces to which the holder may be mounted, mounting hardware is not included.