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

M12-1.75 Serrated Wheel Stud - 14.68mm Knurl, 51.60mm Length 610-483.1 Features:

• Fits 2001-2003 Ford F-150; 2004 Ford F-150 Heritage; 2001-2004 & 1999 Ford F-250; 2001-2004 Ford Lobo
• 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