General description The Mophorn Lug Nut Impact Socket Set is an essential toolkit designed for seamless vehicle upkeep. This 1/2-inch drive socket set features a 6-point design and includes 4 pieces with both metric and SAE sizes: 17mm / 3/4", 19mm / 13/16", 21mm / 15/16", and 22mm / 7/8". It also comes with a 3" (76.2 mm) extension bar, making it ideal for tire and brake changes. Crafted from heat-treated CR-MO steel, these sockets are built to withstand high torque from impact tools, ensuring durability and reliability. Technical specifications Socket Head Size: 12.7 mm / 1/2" Measurement System: SAE and Metric Product Dimensions: 210 x 115 x 55 mm / 8.27 x 4.53 x 2.17 inches Number of Sockets: 4 Net Weight: 1.21 kg / 2.67 lbs Socket Material: CR-MO Item Model Number: 1/2ZTT9 Compatibility and accessories Includes 4 metric and SAE sizes: 17mm / 3/4", 19mm / 13/16", 21mm / 15/16", 22mm / 7/8" Comes with a 3" (76.2 mm) extension bar Usage This lug nut socket set is perfect for vehicle