Constructed of durable 6061-T-6 aluminum alloyAnodized black to reduce oxidation and corrosionHigh-strength, class 10.9 wheel studsDelivers improved traction and stabilityProvides greater clearance for wider tiresIncreases stability when using a lift kitIncludes 2 wheel spacers, Studs and Lug NutsAvailable in 1", 1.5", and 2" widths