The Dorman Serrated Round Carbon Steel Wheel Lug Stud is the perfect choice for your automotive 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. It also undergoes industry-standard proof-load testing to ensure strength and has a black oxide finish for corrosion resistance. With its 1.278" head diameter, this wheel lug stud is sure to provide you with the reliable performance you need. FleetPride is your First Click in Heavy Duty®.