Holds up to 114 sockets, providing a complete solution for socket storage needs. Stores 44 1/4" Drive Tools, 36 3/8" Drive Tools and 34 1/2" Drive Tools. Twist Lock socket clips hold tools securely, allowing for vertical mounting. Un-Lock rails quickly with the press of a button. Socket Rail and Tray keep tools upright in toolbox drawers, making them easy to find, remove, and replace. Includes fractional/SAE and metric size labels for quick identification.