Space saving design: the mount is designed to swing up and out of the way when the display is not in use, saving space in small or cramped environments. Up to 27": the adjustable height of the arm when extended allows for the use of displays measuring up to 27". Strong locking mechanism: the arm features a strong locking mechanism that prevents it from swinging down unless the latch is Physically released, even under the most bumpy or jarring conditions.