The perfect testers for any toolbox. Performs a TIA568 test on CAT5/6 network cable (RJ45) with instant PASS/FAIL results. Ruggedized and cushioned for toolbox use with a hidden drawer for remote storage. Includes a tone generator. Available with or without inductive tone probe (CTX200 vs CTX200PA). Coax remote also included. Ruggedized for field use. Includes toner only.