The Snap-on Tools SXK11 1/2″ Drive 11″ Chrome Knurled Extension is a high-quality, durable socket extension designed for automotive use. Made in the United States, this single extension features a chrome finish and a 1/2″ drive size. It is perfect for reaching tight spaces and expanding the reach of your sockets. With a standard socket type and no warranty, this Snap-on extension is a reliable and long-lasting addition to any hand tool collection.