For letter-size hanging file folders (sold separately). Sliding file rails adjust to hold legal-size file folders (sold separately) .Bottom storage shelf removes easily to add Vertiflex® Companion File (VRTVF52006 sold separately). Durable steel and wire construction. Four twin-wheel casters, two locking. With Key Lock Sliding Top—Locking top panels slide out of the way for full access to files and can be used as auxiliary work surfaces. Includes two keys. Color: Matte Gray; Color Family: Gray; Caster/Glide/Wheel: Four Twin-Wheel Casters (2 Locking); Material(s): Steel; Wire.