Lineman’s Test Set for Telephone Installation

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Professional Lineman’s Test Set | Durable, line-powered device for testing existing & newly installed communications systems
Impact & Water-resistant | rubber-covered keyboard & large slide switches
Heavy-duty alligator clips support (5) different types of wire connectors | Up to 12 dB volume gain
A three-position mode switch allows the tester to be set to Monitor, Ring, or Talk modes | Last-Number redial function
Also includes: 5-inch, 4-Wire RJ-11 test lead | 2.5mm headphone jack