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 with Clip Head - 12.84mm Knurl, 48.3mm Length 610-492.1 Features:

• Fits 2005-2010 Chevrolet Cobalt; 2007-2009 Pontiac G5; 2003-2007 Saturn Ion
• 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