CPU holder saves valuable desktop space by securely mounting your CPU vertically or horizontally on underside of workstation. Design keeps CPU at comfortable height to provide access to disk drives and cable connections. With the horizontal setup, the width adjusts from 13-1/10" to 25-7/10" , and the height adjusts from 5-1/4" to 10". With the vertical setup, the width adjusts from 5-1/4" to 9-4/5" and the height adjusts from 13-1/10" to 17-9/10". CPU holder also offers durable steel construction for sturdy support.