Description: Computer-generated key designs to deter theft of wheelsConstructed of precision-machined and heat-treated hardened steelSteel collar key design helps guide the key into the lock pattern and holds it in alignment for easy installation and removalThatcham Category 4 Security Certified-design for increased securityExtra narrow groove pattern resists the intrusion of lock removal toolsFor use on wheels with exposed lugsKit includes one key and four wheel locks

Description: Chevrolet, 3/4 & 1 ton. Gmc, lug-nut, code: py0, qb5. Gmc, 3/4 & 1 ton. Avalanche. Without 16x7 alum. Wheel. , chevrolet, lug-nut, code: py0 & q85. Installed over your vehicle's wheel lug nut for a finished appearance This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors