Horizontal Sliding Boards save wall space and add functional board surface. Customizable boards feature panels that slide on a smooth track system. Lightweight core material and precise alignment of the tracks ensure easy operation. Choose from two-, three-, or four-track systems. Panels are 4'H and from 6' to 20'W. Available with porcelain steel markerboard or chalkboard, or any tackable surface. Framed with heavy gauge anodized aluminum tubing. Map rail and accessory tray included. TAA compliant.