McGard wheel lock set is a chrome radius‑seat bolt kit (M12 x 1.5) that includes four locks and one key, with an extended 39.9mm shank for ball‑seat wheel applications. These locks function like regular lug bolts but require the special key; the steel collar keeps the key aligned for quick installation and removal. Locks are machined from through‑hardened restricted‑chemistry steel and finished with nickel plus microporous chrome; bolt stems have a dacromet coating to meet OEM standards. For steel or aluminum wheels with a ball‑shaped seat.
McGard Wheel Lock Bolt Set - 4pk. (Radius Seat) M12X1.5 / 17mm Hex / 39.9mm Shank Length - Chrome