Expandable, articulating keyboard platform easily expands or contracts in width from 23-1/4" to 30-1/2" to slide into the desired position. Largest size accommodates keyboard, mouse and calculator. Use with multiple users and work spaces (straight and corner workstation layouts). Adjust 7-1/2" in height. Keyboard platform has a tilt range of +15/-15 degrees and 360-degree swivel. Mousing surface can be used to the left or right of the keyboard. Keyboard platform also includes a detachable wrist rest with microfiber shell. Easily set the keyboard position to match your SmartFit personal comfort color.