Capri Tools 40017 6-Inch Socket Rail with 3/8-Inch Drive 6-Inch universal socket organizer holds 6 of 3/8-Inch drive sockets Features spring loaded ball bearings for easy on and off Perfect for storage in the drawer, on the bench, for all your individual 3/8-inch drive. socket bits Coating finish provides resistance to corrosion Makes your tools easy to find, easy to remove for use, and easy to replace