Features: 1.Unique Design: The Wheel bolt lock nut key adopts a unique design and encryption method, making it difficult to copy or imitate, improving the effectiveness of vehicle anti theft. 2.Safe and Reliable: The design and manufacturing processes have undergone strict quality control and testing, and it has a high degree of safety and reliability, which can ensure the safety of vehicles. 3.Easy to Use: It can be easily installed and disassembled, making it very simple to use. Car owners can easily manage and control their vehicle's anti theft. 4.Durable: Our wheel lock keys are made of high strength alloy steel material, with a more beautiful and bright surface. They have excellent rust resistance, extending their service life and practicality. 5.Widely Applicable: The locking wheel nut key is the perfect 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: Wheel Bolt Lock Nut Key_x000D_ Product Material: Alloy steel_x000D_ Code: 304_x000D_ Hexagon Socket Size: Approx. 17mm / 0.67 in (inner diameter)_x000D_ Fitment:_x000D_ Replacement for Benz A-Class_x000D_ Replacement for Benz B-Class_x000D_ Replacement for BenzC-Class_x000D_ Replacement for Benz GLK-Class_x000D_ Replacement for Benz CLC-Class_x000D_ Replacement for Benz CLS-Class_x000D_ Replacement for Benz CLK-Class_x000D_ Replacement for Benz E-Class_x000D_ Replacement for Benz SL Class_x000D_ Replacement for Benz SLK-Class_x000D_ Replacement for Benz M-Class_x000D_ Replacement for Benz C300_x000D_ Replacement for Benz C250_x000D_ Replacement for Benz C350_x000D_ Replacement for Benz E320_x000D_ Replacement for Benz E204_x000D_ Replacement for Benz E211_x000D_ Replacement for Benz E212 PackageList: 1 x_x000D_ _x000D_ Wheel Locking Nut Key 1 x Hexagonal Socket Note: Not suitable for impact wrenches