Corning Incorporated WCH-STRNRLF-KIT OPTIONAL EXTERNAL CABLE STRAIN-RELIEF KIT; IT UTILIZES CORNING CABLE SYSTEMS UNIVERSAL CABLE CLAMP; INCLUDES BRACKET, MOUNTING HARDWARE, 1 STRAIN-RELIEF CLAMP AND 1 MULTICABLE INSERT THAT WILL HOLD UP TO 5 CABLES LESS THAN 0.4 IN DIAMETER