Description Product Reviews Klein Tools VDV500-063 Digital Toner Pro Generator Angled Bed of Nails Professional grade analog tone generator for open-ended, non-active wiring For use with Probe-Pro Tracing Probe (VDV500-123) required (sold separately) Five distinct tone cadences Rugged Angled Bed of Nails (ABN) clips securely attach to wires RJ11 plug easily connects to telephone or RJ45 data jacks to tone individual conductors or wire pairs Tests for continuity and polarity with response displayed on clearly labeled, easy-to-read LEDs Auto Power-Off and Low Battery Indicator Loop for a lanyard (4) AAA Batteries included 0 Reviews Hide Reviews Product Reviews