Keyboard drawer features a gel wrist rest and retractable mouse station. Keyboard tray extends and locks into position while in use. Design also allows the drawer to retract for storage and conserve valuable work space by storing keyboard out of the way. Track length is 18". Designed for use with standard workstations, keyboard drawer offers smooth and quiet ball-bearing suspension rails as well as screws to the underside of the desk. Mousing surface can be used to the left or right of the keyboard. Keyboard drawer is not height adjustable.