NavePoint 4U Blank Rack Mount Panel Spacer For 19-Inch Server Network Rack Enclosure Or Cabinet Black Dimensions: 7"H x 19"W x .31"D Non-vented Color: Black Installation position: Vertical fixed on the mounting rail Package Includes: 10-32 screws Solid Panel used for both aesthetic and for maintaining proper airflow Available in a variety of heights Cold rolled steel Powder coating 4U Blank Panel Spacer 10-32 screws