With 6 inch of extra reach, Craftsman?s 6 inch wobble extension, chrome socket accessory allows you to bypass obstructions in an automotive engine or other cramped spaces. Professional mechanics rely on extensions to access nuts and bolts deep in a car?s engine bay, while do-it-yourselfers benefit from a little extra reach when working in tight spaces, like under the kitchen sink. Attach this extension to a 3/8 inch drive socket wrench. The extension features a 3/8 inch output for easy connection to standard 3/8 inch sockets. The Craftsman 6 inch wobble extension, chrome delivers extra reach to awkwardly placed nuts and bolts without sacrificing strength and efficiency.