This medium In-Line Document Holder places documents in-line with your monitor and keyboard, reducing movement of eyes, neck and shoulders, minimising strain and increasing comfort. The stable weighted base allows ledge to dip below the desk edge increasing desk space. Elastic line guide marks your place, keeps pages open and stretches to accommodate even the thickest books. The 18″ wide backplate and 300 sheet capacity supports books, catalogues and just about any size document. Angle and height adjust to suit your needs.