The 3.5 Inch Serrated Wheel Lug Stud with a 1.247 Inch Knurl Diameter is a practical and durable solution for various wheel lug stud applications. Made from carbon steel with a black finish, this lug stud features an 8-grade bolt and a fine thread type with 16 threads per pitch. It is available with left or right-hand thread direction and has a 1 1/8-16 thread size. With a corrosion resistance of up to 3 years and meeting SAE automotive industry standards for strength and hardness, this lug stud is reliable and long-lasting. Sold in a pack of 5, it fits most wheel lug stud applications.