The McGard 25000SU Locking Wheel Nut Set includes 4 lug nuts with a 12mm x 1.5 size and a 19mm hex lug. Made of steel with a chrome finish, these silver nuts come with a key for easy installation. With a manufacturer warranty of 2 years, these high-quality nuts are designed for rear, front, left, and right placement on vehicles. Perfect for adding an extra layer of security to your wheels, these locking nuts are a reliable choice for car enthusiasts looking to safeguard their wheels against theft.