Fellowes 7526001 Fellowes Desk Additions Versatile 3-Unit Partition File, 14 1/8 x 9 x 9 15/16 Versatile 3-piece partition file configures horizontally or vertically and holds letter/A4 size folders and hanging file folders. 3-unit set configures horizontally or vertically. Stack units as letter trays or create a step file. Holds letter/A4 size folders plus letter-size hanging file folders. Durable high-impact polystyrene construction.