1Applicable 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. 2Unique 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. 3Safe 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. 4Convenient 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. 5Advanced 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.