Chief CM4S57 and CM4S57U Automated Speaker Accessory for 37 to 63 inch Displays - DISCONTINUED AS OF MARCH 01,2010.
Powered by electric motor, this desk will go up or down with the press of a button.
Pneumatic mechanism moves the desk up and down by pressing a handle till you reach the perfect height.
Crank desk adjusts desk height up or down by turning crank handle clockwise or counter clockwise.
Pinset desk moves in incremental heights of 1" by adjusting pins. Suitable only when an occasional change in seat height is needed.