Features: 1.Anti Theft: Each of the lug nut key has the unique design and encryption methods, difficult to copy or imitate, improving the effect of vehicle anti theft security. 2.Durable Material: The nut screw removal key is made of durable and reliable material, high strength and wear resistant, having a long service time. 3.Easy to Install: The wheel nut lock key has a simple installation, convenient and time saving, don't need too much tools or complicated steps. 4.Perfect Fitness: The lug nut socket key uses the delicate technology design to match all specifications of the original part, can fit the original car better. 5.Applicable Model: The lug nut lock 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. Specification: Item Type: Car Wheel Nut Lock Key _x000D_ Material: Steel Alloy_x000D_ Fitment:_x000D_ 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.