GAMBER JOHNSON's 7170-0597 height-adjustable extending wall mount. This is a wall-mount solution for a large display or tablet. The 16 in height-adjustable pedastal spans 16 – 24 in. The articulating arms extend 16.5 in. Tension handles lock pedestal height and articulated arms in place. This kit includes wall mount, dual articulating arms with adjustable height and medium joiner, and VESA 75/100 mm adapter plate.