Designed to fit 90° corner workstation. Gas assisted height adjustment provides smooth, quiet and continuous adjustment. Primary work surface large enough to accommodate 2 x 27 in. monitors and can be extended up to 20 in. above the desktop. Separate keyboard surface has adjustable tilt from +10°/-10° for an ergonomic typing position, in the sitting or standing position. 42 lbs, pre-assembled. Sold by each. Black.