The Wavenet VCNB-3X3X74S Single-Sided 74″ Vertical Metal Cable Manager is designed to provide quick access to cables, while attached vertically to 2-post and 4-post 45U racks. Made of powder-coated steel with integrated plastic cable rings, this manager offers effective, efficient cable management. Its rear openings offer ideal entry and exit points for cables, and features are EIA/ECA-310-E and RoHS compliant. Keep your cables organized and worry-free.