Strong steel mechanism installs under a work surface to keep keyboard readily available. The keyboard is securely clamped on its cantilevered platform for a solid, positive feel. Keyboard clamp adjusts from 5-3/4" to 9-3/8" to accept most keyboards. Single star knob control adjusts both height and tilt. 6" height adjustment range. 17" glide track for smooth motion. Includes wrist rest.