Function: crimping, cutting and stripping 3 in 1. - Dual-purpose crimping pliers 1. 8p is the port of rj45. - Phone/Network Cable Tester - Network Cable Tester for cables with RJ45/RJ11/RJ12 Connector (9V battery not included)； We can test our just finished cable in this tester, and we will quickly know whether this cable work or not.
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