These 1.25" thick, 5 on 4.5", 6061T6 aluminum spacers are an easy way of spacing out front and rear Jeep XJ, YJ, TJ, ZJ, KJ and KK axles. Each kit comes with 2 wheel spacers, 10 standard wheel studs (pre-installed), 10 lugnuts, and Loctite. The wheel spacers are anodized in dark blue, which is a double anodizing process for twice the corrosion resistance. In addition, each wheel spacer is wheel and hub centric for a perfect fit. Proudly made in the USA.