Rolodex : Wood Tones Letter/Legal Desk Tray Stackers, Four-Tier, Metal, Black Get the most out of your space. Sturdy all-metal posts let you stack letter trays, legal trays or a combination of both. Global Product Type: Desk Tray Accessories-Stacking Post; Desk Tray Accessory Type: Stacking Post; For Use With: ROL23350; ROL62523; ROL23360; ROL62546; Material(s): Metal.:Manufactured by.: Rolodex