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 - .579 in. Knurl, 2-1/4 in. Length 610-560.1 Features:

• Fits 2007-2011 Ford Crown Victoria; 2005-2011 Lincoln Town Car; 2007-2011 Mercury Grand Marquis
• 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