Constructed for strength and durability, these double-sided boards are a versatile, mobile communication tool. Reversing mechanism is specifically designed to make flipping to the other side a snap. Strong steel lock clamps adjust to secure the board to the preferred position. Each features a full-length accessory tray for convenience and reinforced bracing for reduced swaying. Non-magnetic surface. 10-year guarantee. Natural oak finish. Casters optional. Includes 4 markers and eraser. 4' x 6', 773⁄4"H 77 lbs.