Network Cable Tester with RJ-45 Crimping Tool Network Cable Tester and RJ-45 Crimping Tool Kit Crimper Features: Made to crimp RJ-45 plugs All-steel handles (with padding) and crimp hammer Built-in cable cutter Built-in cable stripper with stop to ensure correct strip length Continuity Tester Features: Checks RJ-45 and BNC network cables Checks up to four pairs of conductors for continuity and correct polarity