The commercial-grade, four-drawer vertical file features superior, ball-bearing slide suspension. Steel ball bearings provide the ultimate in smooth and quiet drawer performance. Even when fully loaded, these file drawers open with ease. The factory-installed, core-removable lock allows optional one-key convenience for multiple files. High-sided drawers accept letter-size, hanging file folders. Adjustable wire followers keep files upright. The design also includes an aluminum label holder for easy referencing and a convenient pull handle on each drawer. 22" deep Fortress Series Vertical File is made of heavy-gauge steel with recycled content. The nonporous surface is easy to clean and disinfect.