Fitment Precision: Engineered for 7 spline sockets, this lug nut drive socket key is compatible with thread sizes M14x1.5, M14x1.75, M14x2, and 9/16In-18. It's designed to securely fit 7 spline wheel lug nuts, ensuring reliable performance. Robust and Durable: Constructed from cold-forged steel, this spline security socket offers high strength and long-lasting durability. An electrophoretic coating enhances resistance to corrosion and provides a smooth surface for easy use. Detailed Specifications: Features an internal diameter of 20.0mm (0.78In), outer diameter of 23.5mm (0.92In), overall length of 90mm (3.54In), and depth of 40mm (1.57In). This lug key has dual hex drive sizes of 21mm (13/16In) and 22mm (7/8In). Optimal Torque and Grip: Designed with thick walls for superior grip and maximum torque transfer, making it a practical choice for automotive maintenance. Note: This anti-theft lug nut key is not compatible with hex lug nuts. Color: Black Material: Metal Package Contents: 2 x Wheel Nut Socket Note: The package includes only the items listed above; other accessories are not included. Note: Slight color variations may occur due to lighting conditions and display settings. Measurement tolerances may vary by +/- 1-3cm.