Tamperproof Noticeboard - 900 x 600mm Various ColoursCovered noticeboards with side hinged lockable doors. These tamperproof noticeboards offer an effective way of protecting notices from casual interference in busy public areas. Seven popular sizes available with a choice of colour options. Supplied with 2 locks and keys per door. Single door versions can be mounted portrait or landscape, with hinge to side, base or top; but do not include support stays.