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

M12-1.50 Serrated Wheel Stud - 12.95mm Knurl, 43.0mm Length 610-518.1 Features:

• Fits 2005 Hyundai Tucson; 2003-2009 Kia Sorento; 1995-2002 Kia Sportage
• 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