Mophorn Lug Nut Impact Socket Set 1/2 inch Drive 6-Point 8-Piece The Ideal Kit for Vehicle Maintenance Tasks This 1/2 inch (12.7 mm) socket set contains 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. Crafted from heat-treated CR-MO steel, these sockets can bear high torque from impact tools. The high-contrast size markings enable quick identification, even in low-light circumstances. All sockets are kept in a convenient carrying case for easy organization and transportation, making it perfect for vehicle maintenance. 1/2 Inch Socket Set 6-Point Socket Impact Resistance Corrosion Resistance Portable Storage Key Features Comprehensive Socket Set: This lug nut socket set comprises 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. It makes tire and brake replacements more efficient. Versatile Application: Ideal for