Aidata FDS011L-20 Desk Clamp Organizer Clear and efficient organization and presentation of reference materials Product viewing height from desk 340mm (13.4") up to 660mm (25.98") Arm vertical height up to 470mm (18.5"), rotates 360 and extends to horizontal depth 410mm (16") Clamp suitable for desks up to 60mm (2.36") thickness Includes 20 document display panels with 20 index tabs