Features: 1.Applicable Models: Wheel locking nut key is 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 adopts unique design and encryption, which makes it difficult to be copied or imitated and improves the effectiveness of vehicle anti theft. 3.Safe and Reliable: Wheel locking lug nut key undergoes strict quality control and testing, it is highly safe and reliable to ensure the safety of your vehicle. 4.Convenient and Easy to Use: Wheel lock lug nut kit can be easily mounted and dismounted, very simple to use, owners can easily manage and control their vehicle anti theft. 5.Advanced Material: Anti theft wheel lock nut key is made of premium material, which is hardness, not easy to deform, sturdy and durable and has a 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 applicable to impact wrenches