http://www.cablesupply.com Bess describes how to use the tone and probe cable tracer. This product is essential for finding cables. Additionally, you can check for continuity on a cable. You can purchase this product here: http://cablesupply.com/Tools/Testing-Equipment/Tone-and-Probe-Test-Set.html Questions on this product or any of our other products? Drop us a line sales@cablesupply.com
