The LAN Maintenance Tool Kit comes with everything you need to make and test RJ11 and RJ45 cables.The tool kit includes a Multi-Network Cable Tester, which is designed to test RJ11, RJ45, BNC, and USB cables. The tester is powered with a 9 volt battery (included) and gives fail/pass indication for each wire type tested. A detachable remote terminator allows you to test cables that have been installed.A modular crimping tool is also included, which allows you to crimp 8P8C/RJ45 and 6P/6C RJ11/12 connectors onto the appropriate cables. The cables can be prepped for installation with the included UTP/STP cutter/stripper.An adjustable punch-down tool with dies for #66 and #110 keystones is included for when you need to make keystone jacks or install network cabling into a patch panel.The kit comes complete with thirty RJ45 and thirty RJ11 modular plugs, as well as twenty-four RJ45 strain relief boots in various colors. The connectors and boots are stored in a handy mesh pouch, which allows you to see the contents. Each tool and the tester is held in place with elastic and/or hook&loop bands.The entire kit is contained in a handy, double-zippered nylon bag with vinyl lining and a pair of canvas handles.