The Klein Tools VDV500-705 Tone and Probe Wire Tester & Tracer Kit is a reliable and high-quality product made by Klein Tools in the United States. It is designed for testing RJ11 and RJ45 cables with its model number VDV500-705. This kit includes a tone and probe wire tester, making it a valuable tool for professionals in the business and industrial sector for testing and inspection purposes. New unopened original packaging free shipping