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. 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. Design also includes an aluminum label holder for easy referencing and convenient pull handle on each drawer. 22" deep Fortress Series Vertical File is made of heavy-gauge steel with recycled content.