Tough jobs need tough tools! This Capri Tools 15-piece deep impact socket set is built for your air or electric impact wrench. The drive size is 3/8 inch, and it's a METRIC set with 6-point sockets for a super secure grip on nuts and bolts, reducing the chance of rounding them off. The \deep\ design lets you reach lug nuts or bolts that have a long threaded section sticking out. The set includes a range of common metric sizes to handle most automotive and mechanical tasks. The part number is CP53000-15MD. Capri Tools are known for offering professional-grade quality at a great value. These sockets are made from hardened steel to withstand the high torque and vibration of impact tools. They're brand new in the case. Whether you're a mechanic, DIY enthusiast, or just need a reliable set for your home garage, these impact sockets are a solid investment that won't let you down when you're cranking on something stubborn.