Need to increase the cable management capability of your Tripp Lite 42U SmartRack enclosure? The SRVRTBAR provides two additional vertical cable management / accessory bars to any Tripp Lite 42U rack enclosure. These accessory bars provide additional mounting for PDU's, cable management, or any other accessories to be mounted vertically into a Tripp Lite rack enclosure. Provides rapid installation of devices and accessories with toolless mounting keyhole slots.