The high capacity horizontal cable managers shall be a front only design capable of managing copper and fiber cables on any 19" EIA cabinet or rack. These managers shall be constructed with a steel frame and molded plastic fingers. The manager shall retain cables in a horizontal pathway while providing .350" bend radii between each finger and at each end finger. The high capacity managers shall have a telescoping projection from the rack mounting face of 4.4" to 7.6" and an open back for pass through from the front to the back of the rack. A metal, hinged cover that opens 110 degrees either up or down allows full access to the cable pathway and shall be standard on these managers. These managers will be capable of being installed on top of each other in a rack without the opening and the closing of the covers interfering with the other manager.