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. 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