Adjustable keyboard platform features attractive contours and a sleek profile; conveniently tucks away under desk when not in use. Single knob offers simple height and tilt adjustment to ensure comfort and proper ergonomics. Durable wood fiber platform with foam wrist rest. Color: Black; Workstation Type: Curved; Diagonal; Straight; Height (+/- Desktop): +1 1/2in/-5in; Keyboard Tray Dimensions (W x D): 25in x 9 1/2in.