Quartet Connectable modular board system Connectable™ Modular Board System, Gray Diamond Mesh, 72 x 48, Mahogany Choose from a variety of surfaces and frame colors to customize your meeting room, classroom or break area. 48" and 72" widths available in any surface and frame combination. 1/2" backing, fire-retardant rating and extra-deep marker rail with no sharp edges. Package includes surface, frame, track kit, marker tray and mounting hardware.