Raises notebook screen height to eye level for better ergonomics (5.9 inches). Single piece aluminum design provides solid stability and acts as a heat sink to cool laptop The back cable management hole is 2 inches in diameter. Cable organizer behind routes wires neatly Sand-blasted and silver anodized finish matches Apple notebooks. Keyboard stash clears up desk area when not in use Compatible with Apple Macbook Pro Macbook Air and other laptops with depths less than 10.4 inches