StarTech.com 5 Pack 1U Vertical Cable Management D Ring Hooks, Manager For 19" Server Racks/Cabinets, Wire Organizers

Amazon

CABLE MANAGEMENT: Install this set of five 1U vertical cable management hooks in/on a standard 19" 2/4-post server rack or cabinet to organize network and power cables OPTIMIZED CABLE ROUTING: Prevent sharp cable bends at connector ends and reduce port/connector stress by routing the cables through these hooks; Steel cable management D-ring measures 1.8x4in (4.5x10cm) PASSIVE COOLING: Improve cable organization and promote better airflow with this durable D-ring patch panel organizer; Accessorize with hook & loop ties (HKLP100), plastic ties (CBMZT6BK), and a cable lacing bar (12S-CABLE-LACING-BAR) SIMPLIFIED INSTALLATION: 1U D-ring vertical cable guides feature large 0.4in (11mm) to insert bundled cables; Install multiple D-ring hooks between equipment, along the length of a server rack post THE IT PRO'S CHOICE: Designed and built for IT Professionals, this 5-pack of 1U server rack cable managers is backed 2-Years, including free lifetime 24/5 multi-lingual technical assistance

Zoro Tools

The cable D-ring organizer features a 0.4in (11mm) opening to effortlessly insert bundled cables. Install multiple cable rings along the rack posts to improve airflow and minimize the port and connector strain.