The Mechanic's Time Savers Lock-A-Socket tool organizer and drive socket holder gives the ability to store and organize up to 16, 1/2" drive sockets as desired, eliminating clutter in your toolbox and service cart drawers. Using the organizational socket holder, keep your tools in one place that is transferable between a service cart drawer, metal surface, and work area; allowing quick and easy access while completing projects. Featuring high powered magnetic backing with rust resistance, secure to most metal surfaces for convenient placement; high technology and non-transferable magnetic material won't magnetize your tools or damage on board computers. Includes Lock-A-Socket technology allowing you to secure sockets into holder with a simple twist; place socket on holder and twist right to lock or twist left to unlock and remove. The Mechanic's Time Savers Lock-A-Socket tool organizer and drive socket holder accommodates most sockets such as impact, shallow, deep, and swivel ball SAE and Metric sizes; measures 22" x 1.25" x 1".