Ideal for lateral files or storage cabinets. It adjusts to widths of 30 in., 36 in. and 42 in. and depths of 18 in., 18-5/8 in., 19-1/4 in. and 24 in. Dolly rolls easily on heavy-duty casters with two locking for loading stability. Black metal. 42 x 24 x 4 in. H. Contains 28% total recycled content.