5-pack of 1U vertical cable management hooks for 19-inch server racks; Ideal for keeping network & power cables organized on server racks/cabinets - Reduce cable strain and clutter for improved airflow - Cable manager D-ring with a large opening (0.4in/11mm) for effortless cable insertion; Use as lacing points for cable ties or securing cable bundles - Constructed from durable steel w/ powder-coated finish for long-lasting use - D-Ring wire manager for patch panel/server/switch/NAS/PDU cables