These wheel lug studs are made of carbon steel and tested to demanding automotive industry standards to ensure strength, longevity and safety.

1/2-20 Serrated Wheel Stud - .624 in. Knurl, 1-5/16 in. Length 610-092 Features:

• Fits 1958-1972 American Motors; 1946-1970 Pontiac; 1937-1942 Pontiac
• Durable material — carbon steel meets SAE automotive industry standards for strength and hardness
• Corrosion resistant — extensive salt spray testing helps ensure years of durability against rust
• Tensile tested — lug studs undergo industry-standard proof-load testing to ensure strength
• Trustworthy quality — backed by team of professional engineers and quality control specialists in the United States