C.E. Smith Spare Tire Carrier with Nuts - Strong 7/16in rod construction fits on frame, tongue, or rails up to 3in wide. The 3in of threads fit a wide variety of frame thicknesses and wheel sizes. Holds 4 or 5 lug wheels and fits 8in throught 14in wheels and most 15in wheels. Zinc plated. Features: Comes with 2 nuts 8-3/4in long Sold individually.