The Snap-on Tools SIMF240 3/4″ SAE Flank Drive Deep Impact Socket is a high-quality, durable hand tool designed for automotive use. Made in the United States, this single item socket features a 6 point drive size of 3/8 inches and a black oxide surface finish for maximum performance and longevity. The specialized impact socket is designed to provide a secure grip and protect against damage to nuts and bolts during fastening and loosening tasks. With the trusted Snap-on brand reputation and SAE measurement system, this deep impact socket is a reliable addition to any automotive tool collection.