Keeps documents between monitor and keyboard to help reduce head, neck and eye movement. Transparent back plate supports wide and heavy documents. Skid-free base. Angle and height adjustable. Can stand alone on desktop or hang over edge. Elastic line-guide enables easy data entry and helps keep documents in place. 14" Wide Backplate—150-sheet capacity. Holds: Books; Catalogs; Mounting: 3M™ Command™ Adhesive Attachment System; Free Standing; Material(s): Plastic; Sheet Capacity: 150.