Brand new E-Track Spare Tire Holder, Heavy Duty Steel Trailer Mount Spare Wheel Carrier with 5? Bolt Hanger Protect Tires, Trailer Space and Nerves for Enclosed Trailers, Trucks, Semis, Garages Features details Well build: E-Track spare tire carrier mounts are made of high-strength steel with galvanized finish, sturdy and rust-proof. Easy to install: Simply click the E-track accessory into the E-track guide on the trailer wall (not included) to install. To mount the spare tire, insert the bolt through one of the tire lug holes and secure with a 3/4" diameter hex nut. Use a 1-1/8" wrench to tighten the nut in place. Effective: Use this spare tire carrier to store your spare tire so you can hit the road knowing that your spare is safe, protect your tires, trailer space and nerves with this spare tire carrier. Off the ground: No more spare tires getting in the way of your trailer. Maximize your trailer space by moving items from the floor to the wall. Protect your tires, trailer space and nerves with this E-track spare tire carrier.