The Craftsman 48 Pc 1/2 Drive Impact Socket Set is a high-quality set of hand tools designed for use with both metric and standard measurements. Made in the United States, the sockets are 6-point mechanical impact sockets, ensuring a secure grip on nuts and bolts. With a size of 1/2 inch, this set is perfect for a variety of projects around the home and garden, providing professionals and DIY enthusiasts with the tools they need to get the job done efficiently and effectively.