Lorell Mobile Standard File with Lock, 13-1/2 by 24-3/4 by 28-1/4-Inch, Black Economy file is designed for letter-size hanging folders (sold separately) Design features a sliding cover, keylock to secure files, piano-hinge top and shelf storage on bottom All units are keyed alike Economy file is designed for letter-size hanging folders (sold separately) Design features a sliding cover, key lock to secure files, piano-hinge top and shelf storage on bottom All units are keyed alike