The Luxor LLTM42-B is the perfect solution to charging and securing up to 42 tablets or chromebooks (sold separately). The cabinet and tablet shelves come fully assembled. The rubber-coated dividers keep your laptops organized and protected, Each divider is 1" apart. The LLTM42-B rear access door contains two 22-Outlet vertical electrical assemblies for maximized space. The plenty of ventilation allows air to circulate freely through the unit. It includes four 4" casters, two with locking brakes. The locking doors include a traditional lock and key system, Includes a set of two keys.