The Dorman Serrated Stud Round Wheel Lug Stud is the perfect choice for your vehicle's wheel lug needs. Made from carbon steel materials, this stud meets SAE automotive industry standards for durability and is salt spray tested for 72-hours to simulate three years of corrosion resistance. It also undergoes industry-standard proof-load testing to ensure strength and features a black oxide finish for corrosion resistance. With a head diameter of 1.278", this stud is sure to fit your vehicle's wheel lug needs. FleetPride is your First Click in Heavy Duty®.