Why settle for ordinary lug nuts? SplineDrive Lug Nuts combine style and performance.; A no-compromise design engineered to fit small diameter recesses in Tuner style wheels.; SplineDrive lug nuts offer closed-end design, maximum gripping power, more stud engagement and a greater seating surface than socket style lug nuts.; In addition they are 30% lighter in weight.; Like all McGard lug nuts, the chrome plating is guaranteed for life not to rust, chip or peel.; McGard manufactures SplineDrive lug nuts in the USA to meet or exceed O.E.M.; standards for safety and durability.; Every lug nut is fully machined from restricted chemistry steel made specifically for McGard and through-hardened for its unsurpassed level of safety.; McGard’s plating process includes several layers of nickel and one layer of microporous chrome with black PVD producing a superior finish while protecting against rust.; SplineDrive lug nuts take safety, dependability and style to the next level.; For aluminum wheels only.; This product may contain globally sourced materials/components.