The Dorman Serrated Round Carbon Steel Wheel Lug Stud is the perfect choice for your vehicle's wheel lug needs. This wheel lug stud is made from carbon steel materials that meet SAE automotive industry standards for durability and strength. It has undergone salt spray testing for 72-hours to simulate three years of corrosion resistance and industry-standard proof-load testing to ensure strength. The black oxide finish provides additional corrosion resistance. With a head diameter of 1.5", this wheel lug stud is sure to meet your needs. FleetPride is your First Click in Heavy Duty®.