Klein Tools VDV500-163 Digital Tone GeneratorKlein Tools VDV500 163 Use Klein Tools Digital Tone Generator for wire identification, wire tracing and wire pair identification. When used with the Digital Tracing Probe (Cat. No. VDV500 223; sold separately), you can trace and locate cables on an active network and wire map to check Pin to Pin connections with shield detection and features angled bed of nails (ABN) clips to securely attach to wires. Use the RJ45 port to easily test RJ45, RJ11, and