This 3.12 inch serrated wheel lug stud with a 1 inch knurl diameter is a durable and practical choice for automotive enthusiasts. Made from carbon steel and featuring a black finish, this 8 grade bolt is available with left or right-hand thread direction and 2 or 2.1 inch thread length. With a 1.323 inch head diameter, 0.974 inch shoulder diameter, and 0.831 inch shoulder length, this serrated stud style lug is corrosion and tensile tested to ensure strength and durability. Sold in a pack of 10, this lug stud meets SAE automotive industry standards for strength and hardness, making it a reliable choice for any vehicle.