Steer clear of ordinary lug nuts and up your style and performance game with SplineDrive Lug Nuts! This no-compromise design fits small diameter recesses in Tuner-style wheels and features a closed-end design with more stud engagement and a greater seating surface than socket-style lug nuts—all while being 30% lighter in weight. McGard takes pride in crafting their SplineDrive lug nuts in the USA, meeting or exceeding O.E.M. standards for safety and strength. Expertly machined from restricted chemistry steel, they've been through-hardened for maximum safety, and their plating process includes several layers of nickel and microporous chrome w/black PVD for a top-notch finish and rust protection. Take safety, dependability and style to the next level! For aluminum wheels only; requires 65300 Installation tool. This product may contain globally sourced materials/components.