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

• Durable material - carbon steel meets SAE automotive industry standards for strength and hardness
• Corrosion tested - 72-hour salt spray testing simulates three years of corrosion resistance
• 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