3M DH640 Document Paper Holder Stand In-Line A3DescriptionSpecificationsShipping In line document holder for desktops and laptops. Keeps documents between monitor and keyboard to help reduce head, neck and eye movement. Wide, transparent backplate supports wide and heavy documents Weighted base allows ledge to dip below the desk edge Angle and height adjust to suit your needs Supports books, catalogs and just about any size document 18 Inch wide, easy to adjust Can hold 300 sheets Black clear