Capacity: 1.8 x 3.9 inThis vertical-mount D-ring hook installs on the front or back of your standard server rack to provide a an organized channel cables. Protect Your Equipment This metal D-ring hanger protects rack-mount equipment by offloading the weight of the cables in your rack, reducing strain on expensive network equipment. This patch cord organizer also provides passive cooling for your rack by routing cables away from equipment, allowing airflow. This helps to ensure your rack remains at an optimal temperature, reducing heat-related damage. Sturdy Design Each 1U patch cable hook is constructed of solid steel, measures 1.8 x 3.9, and features a flexible opening so you can easily insert bundled cables. This cord manager is also TAA compliant, allowing government GSA Schedule purchases. For the IT Professional This ethernet cable organizer/manager is sold individually to allow for custom solutions based on your server room setup. You can also mount multiple units on your rack, for large-scale cable management. The CMHOOK1UL is backed by a 2-year. com warranty and free lifetime technical support.