Fulton Trailer U-Bolt Spare Tire Carrier The Fulton U-Bolt Spare Tire Carrier allows you to keep your spare trailer tire safe and secure. This carrier is easy to install and features a heavy-duty 12 diameter construction. Fits 8, 9, 12, 13, 14, and 15 wheels with 4 or 5 lug rims Easy to install Includes lug nuts to secure wheel to frame Heavy-duty 12 diameter construction Zinc-plated to resist corrosion California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details