9Piece Impact Socket Set – Professional Quality for Safe and Efficient Lug Nut Removal • Wide Compatibility: Covers the most commonly used metric and SAE sizes – 17mm, 19mm, 21mm, 3/4 inch, 13/16 inch, 7/8 inch, 15/16 inch, 1 inch, and 11/16 inch. Designed to fit the majority of cars and light trucks, this set works seamlessly with any 1/2inch drive tool. The extended hollow shaft and secure 6point grip provide torque transfer and reduce the risk of rounding off lug nuts. • Scratch Wheel Protection: Each socket features a 360degree rotating nonmarring nylon sleeve and an internal protective collar to prevent scratches on alloy wheels, bolt tops, and lug nuts during tire changes. Ideal for preserving the look of end wheels. For wheels with extranarrow lug wells, check the socket's outer diameter before use to ensure proper fit. • Materials for LongLasting Performance: Crafted from strength Chrome Molybdenum steel (CrMo) and precision heat treated for the balance of hardness and impact resistance. Finished with durable color zinc plating to resist rust and corrosion, ensuring reliable performance over time in both professional and DIY applications. • ThinWall Design for Tight Spaces: Optimized thinwall construction reaches recessed lug nuts on modern alloy wheels with ease. Each socket is colorcoded and laseretched with size markings that are permanent and easy to read, allowing fast identification without fading or wear. Use Scenarios: 1. Quick and safe tire changes in an auto , ensuring customer satisfaction by protecting expensive alloy wheels. 2. Emergency roadside assistance where dependable, impactready tools reduce downtime and get vehicles back on the road faster. 3. Home garage projects for car owners who want the same professionalgrade tools used by mechanics to service their vehicles. This set combines precision engineering, protective design features, and durable materials to deliver a reliable solution for everyday and professional wheel service needs.