The Snap On FXWKL11 3/8″ Drive 11″ Locking wobble socket extension is a high-quality automotive tool designed for use with standard sockets. Made in the United States, this chrome-finished extension features a 3/8″ drive size and a single piece construction. Perfect for GM and Ford vehicles, this locking wobble socket extension provides added versatility and reach for your automotive maintenance and repair needs. Ideal for professionals and hobbyists alike, this Snap-On tool is a reliable and durable addition to any toolbox.