The wall rail allows a horizontal move. Whiteboards, projection boards, flip-charts and frames are to be hung in where they are just needed. The tilt and swivelling projection board is to be used for a beamer or overhead projectors. Three different surfaces for an optimal projection. Boards with five surfaces : steel enamelled whiteboard, pin (fabrics or linen), adhesive, cork and chalk. The mobile media bracket are equipped with a gaz pressure cartridge for the height adjustment. Large castors permit fastidious users.