This Snap-on Tools 1/2″ Drive 20″ Extension S-20 is a reliable and durable tool for your automotive needs. It is designed to provide a smooth and easy fit for your sockets with its 1/2″ drive size. This extension comes with a versatile system of measurement that includes Specialty, SAE, and Metric. The extension is a single item, and it’s made in the United States, ensuring quality and long-lasting performance. This tool is perfect for those who need a reliable and durable socket extension for their automotive repairs. Check out the photos for more details.