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-hardened steel, this spline security socket offers strength and long-lasting durability. An electrophoretic coating enhances resistance to corrosion and provides a smooth finish for ease of 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). The socket includes dual hex drive sizes: 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 intended for 7 spline lug nuts only and is not compatible with hex lug nuts. Color: Black Material: Metal Package Contents: 2 x Wheel Nut Socket Note: Other items shown in images are not included. Note: Slight color variations may occur due to lighting and display differences. Measurement accuracy is within +/- 1-3cm.