HIGHLIFT (Pneumatic) HEIGHT ADJUSTABLE DESKHILIFT is a well engineered height adjustable sit stand work station using 2 pneumatic gas cylinders to change the height with a separate keyboard that rests at your existing work station height The HILIFT converts your desktop into a sit stand workstation and gives you the ergonomic benefits of either sitting or standing at your existing desk. Infinite height positions using 2 lever paddles on the side of the desktop to adjust the keyboard desk