When you attach this JobSmart 1/4 in. Drive 6 in. Socket Extension, you can get greater access to those difficult-to-reach fasteners. It features chamfered lead-ins for easy placement onto fasteners, and it's durably made from chrome vanadium steel for lasting quality. A fully polished chrome finish offers enhanced corrosion resistance to help protect the socket extension from wear and tear. Built in compliance with ANSI/ASME standards.