Safco Products 5374BL Impromptu Mobile File with Locking Top, Letter or Legal Size, Cherry Top/Black Frame Impromptu locking top mobile tub file, 2 keys Accommodates letter, legal, A4 or foolscap-size hanging files Translucent polycarbonate side panels Steel frame with powder coat finish for durability, mobile on four 2 1/2" wheel casters Complements Safco Products entire line of Impromptu products