The Snap-On GLA72A 3/4 to 1" Drive Adapter Socket is a high-quality, USA-made hand tool designed for automotive use. This specialty socket adapter features a SAE system of measurement and a black oxide surface finish. With a single 3/4 inch size and no warranty included, this adapter is a reliable and durable addition to any mechanic's toolbox. The Snap-On brand is known for its superior craftsmanship and this adapter lives up to that reputation with its like-new quality.