The Snap On Tools USA IPF80B 3/8" Drive Impact Swivel Universal LOCK PIN Socket is a high-quality, durable socket designed for automotive use. Made in the United States by Snap-on, a trusted brand in hand tools, this socket features a specialty design that allows for SAE and metric measurements. With a unique LOCK PIN retention drive type, this socket is easy to use and versatile. The black oxide surface finish ensures that it will withstand tough work environments, making it a valuable addition to any automotive tool collection.