The Milwaukee 49-66-7009 43 Piece SHOCKWAVE Impact 3/8 Drive Socket Set is a high-quality, durable tool set designed for professionals and automotive enthusiasts. Made of forged steel, these sockets are built to last and withstand high impact forces. The set includes both SAE and metric sizes, making it versatile for a variety of applications. With a compact and easy-to-use design, this socket set is a valuable addition to any toolbox.