The Narrow Mount Spare Tire Carrier for Nash Style Trailers is a heavy-duty, 12-gauge, formed steel construction designed to securely hold spare tires. Its corrosion-protected finish ensures durability, and it is available for both standard and super tire sizes. This universal mounting carrier ships assembled and fits standard tire sizes up to 42 inches in diameter and 12 inches in tire width, as well as super single tires up to 42 inches in diameter and 20 inches in tire width. Practical and reliable, this spare tire carrier is a must-have for any trailer owner.