Our vertical sliding boards are perfect for businesses, offices and schools. They are available in several versions: series 940 (single rail for 1 fixed board and 1 sliding board), series 950 (single rail for 1 fixed board and 2 sliding boards), series 960 (double rail for 1 fixed board and 4 sliding boards) and series 970 (triple rail for 1 fixed board and 6 sliding boards). Completely customizable to your needs with chalk tray included.