The Snap-On 22mm S6176 1/2" Drive Oxygen Sensor Socket is a high-quality hand tool designed for automotive use. Made by Snap-on, a trusted brand known for producing durable and reliable tools, this single item socket set includes a specifically sized 22mm socket designed to fit oxygen sensor nuts and bolts securely. With a 1/2 inch drive size, this United States-made tool is perfect for professionals and automotive enthusiasts looking for precision and performance in their workshop or garage.