Chrome plated lug nuts lead a tough life. Think about it, harsh elements, nasty corrosive wheel cleaners and lead-foot drivers. Not to mention overzealous impact guns and loose fitting lug wrenches. This kind of treatment destroys ordinary lug nuts which turns even the best looking wheels ugly. Tough Nuts can take the punishment and keep your wheels looking beautiful. chip or peel. McGard manufactures lug nuts in the USA to meet or exceed OEM 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 three layers of nickel and one layer of microporous chrome producing a superior finish while protecting against rust. Tough Nuts are designed and built for the real world, because life is tough. Regular .746" Shank length for use with custom replacement aluminum wheels that are between 11/16" and 7/8" thick at the stud hole and have a flat seat. Contains polished stainless steel washers. This product may contain globally sourced materials/components.