Horizontal cable management using D-rings is rack cable management in one of the most basic forms. Using the plastic or metal hooks, called "D-Rings" , cables are easily routed and organized to keep your rack organized and simplify equipment maintenance with fast accessibility. This cable manager is available with your choice of plastic or steel D-Rings. This horizontal cable manager is perfect for organizing and securing all types of equipment cables including coax fiber, Cat5e, and Cat6 cables.