Be prepared on your next off-roading adventure with the C.E. Smith Company U-Bolt Spare Tire Carrier and Padlock Kit. The 0.4-inch-thick rod construction fits on the frame, tongue, or rails up to 3 inches wide. The 3-inch threads fit a wide variety of frame thicknesses and wheel sizes for convenient use. The carrier can hold up to 4 or 5 lug wheels and fits wheels between 8 inches through 14 inches and most 15-inch wheels. Crafted with zinc-plated, heavy-duty materials for safe use.