FLUKE NETWORKS Pro3000™ Analog Tone and Probe - 26000900Pro3000 Analog Tone & Probe Kit tones and traces wire. Tone and trace wire on non active networks SmartToneTM technology provides five distinct tones for exact pair identification Sends loud tone up to 10 miles (16 kilometers) on most cables Loud speaker on Probe makes the tone easier to hear through drywall, wood, and other enclosures Angled bed of nails clips allow easy access to individual pairs RJ 11 connector is ideal for use on telephone jacks