"This technology provides a wide range of positioning options for complete keyboard customization. Features independent height, tilt and rotation adjustments without the need for knobs or levers. Simply hold the sides of the keyboard tray, roll wrists to adjust the tilt and then raise the tray into position. Constructed of rigid fiberboard, the new tray design is shaped to fit the contour of the body. The keyboard tray incorporates a soothing Gel Wrist Rest. The mouse tray also includes a Gel Wrist Rest, mounts on either side of the keyboard and stores under the keyboard tray when not in use. 17"" glide track."