The Articulating Keyboard Support, model 9026, is a keyboard support arm designed to support a keyboard platform (not included) in an accessible and ergonomic position. This articulating mechanism mounts beneath a desk and allows the user to adjust the keyboard height. The platform tilts 15 degrees. The unit slides under the work surface when not in use. DIMENSIONS: 2.5 inches high with a 17.75 inch slide track. COLOR: Black.