This Stanley socket set is the perfect addition to your tool collection. Made with high-quality materials and backed by a lifetime manufacturer warranty, this set is built to last. The set includes a 1/2" drive MM 12pt 13 MM 86-421 deep socket and is suitable for a variety of applications. Whether you're a professional mechanic or a DIY enthusiast, this socket set is sure to come in handy. The brand name Stanley speaks for itself when it comes to quality and reliability, so you can trust that this set is worth your money.