The wheels come with bolt-on adapters. The adapter bolts on to your car and then the wheel slides over the adapter and is secured by the knock-off hub. Each set comes with four wheels, four knock-off hubs, your choice of either the 2-bladed knock-off or HEX-style knockoffs, four Cadillac emblems, four valve stems and a hammer or wrench to fasten the knockoff. The tires are Vogue P235/75R15 with white and gold side walls.Brand New and fresh tires. The Cadillac medallions are licensed GM Restoration Parts and are made from metal. Brand and are made in China. The quality is very high, especially for the price. Please message us with any questions about these beautiful wheels and tires.