1/2 Inch Lug Nut Impact Socket Set: This lug nut socket set includes 4 SAE sizes 3/4in, 13/16in, 7/8in, 15/16in and 4 metric sizes 17mm, 19mm, 21mm, 22 mm, along with a 3" (76.2 mm) extension bar, making tire and brake replacements more efficient. 6-Point Socket Design: The 6-point wheel socket set securely grips bolts, preventing slippage. It evenly distributes force across all sides of the bolt, reducing the chance of damage during use. Impact-Resistant & Corrosion-Resistant: Crafted from heat-treated CR-MO steel, these wheel lug nuts sockets can handle high torque from impact tools. The phosphate finish ensures effective corrosion resistance. The high-contrast size markings with electroplated color appearance allow for quick identification, even in low-light environments. Wide Application: Ideal for maintenance on vans, cars, trucks, and SUVs, this tire socket set ensures efficient part replacement, reducing vehicle breakdowns and safety risks. It is also great for custom car owners looking to upgrade their cars. Portable Storage Case: All lug nut sockets are organized in a convenient storage case for easy access and portability. The airtight case helps keep your tools dry and clean, making it easy to carry.