Features: 1. Applicable Models: Wheel locking nut key is a replacement for Benz A-Class, B-Class, C-Class, GLK-Class, CLC-Class, CLS-Class, CLK-Class, E-Class, SL-Class, SLK-Class, M-Class, C300, C250, C350, E320, E204, E211, E212. 2. Unique Design: Wheel lock lug nut key features a unique design and encryption, making it difficult to copy or imitate, enhancing vehicle anti-theft effectiveness. 3. Safe and Reliable: Wheel locking lug nut key undergoes strict quality control and testing, ensuring high safety and reliability for vehicle security. 4. Convenient and Easy to Use: Wheel lock lug nut kit allows for easy installation and removal, simple to operate, enabling owners to manage vehicle anti-theft measures effectively. 5. Advanced Material: Anti-theft wheel lock nut key is made of premium alloy steel, offering high hardness, resistance to deformation, durability, and long service life. Specification: Item Type: Wheel Locking Nut Key Material: Alloy steel Number: For 301 Fitment: Replacement for Benz A-Class, B-Class, C-Class, GLK-Class, CLC-Class, CLS-Class, CLK-Class, E-Class, SL-Class, SLK-Class, M-Class, C300, C250, C350, E320, E204, E211, E212 Note: Not compatible with impact wrenches