3M In-line Copyholder Holder 18in Wide 460x100x280mm Black and Clear Ref DH640.- 18 inch wide clear backplate keeps monitor in full view.- Holds books, catalogues and landscape documents.- Innovative, centreline-position design helps reduce head, neck and eye movement.- Versatile angle and height adjustment for easy viewing.- Colour Black/Clear.- Non-slide grooved shelf with raised edge keeps large, oversized documents secure.- WxDxH: 460x100x280mm.- Elastic line guide expands to hold thick documents and catalogues firmly in place.- Weighted base safely supports large documents and books.