3-Piece Klein Tools Cable Tester Kit has everything the professional needs. The LAN Scout Jr. 2 Cable Tester tests installed or loose data (CAT 5e, CAT 6/6A) cables terminated with RJ45 connectors. The Coax Cable Crimper/Wire Stripper/Wire Cutter is a premium, long-lasting tool for CAT3, CAT5e, and CAT6/6A cable using RJ11/RJ12 standard and RJ45 Pass-Thru connectors.