The NT-1145 Multi-Modular Cable tester from Secure™ Cable Ties is a great tool when needing to build your own network cables or for simple troubleshooting of network issues. A compact mobile design means this tester will go wherever it is needed and will perform time and time again. Included in this package is a leather pouch for easy transportation. Use to test Cat 3, 5 and 6 cables with RJ45 and RJ11 connectors.