The Dorman 16 Serrated Carbon Steel Fine Round Wheel Lug Stud is designed to meet the highest industry standards for strength and durability. This wheel lug stud is made from carbon steel materials that meet SAE automotive industry standards and undergoes industry-standard proof-load testing to ensure strength. It also undergoes salt spray testing for 72-hours to simulate three years of corrosion resistance. The black finish provides additional corrosion resistance. With its superior construction and reliable performance, this wheel lug stud is the perfect choice for your automotive needs. FleetPride is your First Click in Heavy Duty®.