Mobile tub file offers a way to keep important files close at hand. Durable steel construction includes a piano-hinge top that swings out of the way when you access your files inside. Top viewing design allows easy filing and retrieval of stored documents. Tub file holds letter-size hanging file folders (sold separately). Store binders and more on the convenient lower storage shelf. Tub file rolls easily to point of use on four 2" dual-wheel casters (two locking). Sturdy steel has a mar-resistant, powder-coat finish. Weight capacity is 300 lb. Shelf dimensions are 13-1/8" wide x 17" deep x 1/2" high.