Horizontal cable managers shall be capable of managing cables on the front and rear of any 19 in EIA rack. The manager shall consist of a 1-piece construction that is molded out of plastic. Horizontal managers shall have pass through holes that incorporate integral bend radius control as well as fingers with rounded edges. The manager shall have rigid end fingers that incorporate integral bend radius control. Hinged covers shall allow access to the cable pathway without having to completely remove the cover from the manager.