Add another layer of organization & maximize desk space with Carver Wood Desk Tray Supports to stack desk trays on top of each other. Simply clip & pin the 4 supports into place on each corner. Pins included. The brass color complements the natural wood of the desk tray & provides stability for stacking Carver Wood trays on top of one another. Desk Tray Accessory Type: Support; for Use With: Carver 07211, 07213, 07221, 07223; Material(s): Brass; Color(s): Brass.