Fits: Suitable for vehicles with 14x1.5 thread pitch. With 1999-2010 1500/2500/3500, 1999-2020 Silverado 1500/2500/3500, 2003-2016 F250/F350, 2015-2017 , etc. See instructions for details. Specifications: M14x1.5 thread size, 2 inch (51mm) long, 60 degree conical, 0.91 inch (23mm) wide, 13/16 inch (21mm) and 7/8 inch (22mm) hex sockets, 24 black closed end lug nuts, includes 2 hex keys. Advantages: Made of SCM 435 high strength steel, cold forged and heat treated, which greatly improves the hardness and rigidity, increases durability and corrosion resistance. Add impact to your car, interprets and style perfectly. The threading is clean and neat, the thread is clear, and the installation is convenient and time-saving. Provides you with an efficient installation and a safe driving experience. Installation: Please use a manual wrench to install, do not use an impact wrench. We have professional technicians and mature technical support to provide you with technical support. Colour: black Material: Metal Size: 51 x 23mm Package Contents: 24 x Black Closed End Lug Nuts 2 x Hex Wrench Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.