Space-efficient extra-deep design holds more files. Sturdy steel construction with a textured finish. Locking hinged cover keeps dust out while securing files. Four swivel casters (two locking) for easy mobility. Handy bottom storage shelf. Letter Size. Color: Black; Color Family: Black; Caster/Glide/Wheel: Four Swivel Casters (2 Locking); Material(s): Steel.