Constructed of high-quality steel, the cable organizer panel offers D-Ring hooks, for routing cables through your server rack and reducing cable strain. Adding a cable manager in between equipment also functions to close off open spaces in the rack, promoting proper airflow. ALL metal, no plastic, much stronger! The wall mount D-ring panel features 5 bendable metal D-rings (3 inch deep) that provide easy access for moves, adds and changes. Great solution for both small business networks and data center applications