Removable Lock Bar Provides extra security measure or drawer retention to help keep drawers shut while moving the cabinet from one location to the next (in the locked position). Pre-installed by factory in color of storage cabinet ordered. 550 Series Lock Bar Cabinets features removable center bar. Cubic inch capacity is 35,917. Made of 14, 16 and 18 gauge steel. Heavy-duty locks with tubular key. Recessed aluminum extruded drawer pulls. 100% full extension drawers.