3ft Vertical D Ring Hook Cable Organiser Organize your cables in any rack or cabinet thats 20U or larger, using this vertical cable management panel. This 3-foot vertical cable manager gives you a simple and space-efficient way to organize the cables in your server rack. You can attach the cable manager vertically into your rack, to neatly guide cables between equipment thats mounted at different heights. The 0U cable manager offers versatile installation options and is compatible with most racks that are 20U or larger. The panel features a 0U design that doesnt take up any mounting space, and with simple tool-less installation it's easy to attach or reposition as necessary. The cable manager uses a D-ring method of cable management to run cables vertically along the side of your rack, neatly guiding them between equipment thats mounted at different heights. This provides a tidy and well-organized way to run cables from devices mounted toward the bottom of your rack to other devices mo