1.RJ45 Crimp Tool Kit: Ethernet crimper tool for 6P/8P Pass Through cat6, cat6A, cat5 and cat5e connectors plugs, suitable for 23AWG-28AWG cable 2.All-in-one RJ45 Pass Through Crimp Tool: A professional RJ45 crimper that can easily cut, strip, and crimp CAT5, CAT5e and CAT6/6A cables. Even if you are a beginner, you can also quickly complete the installation according to our user's manual 3.The Pass Through technology significantly improves work efficiency and has succses rate, Fast and Reliable 4.Multi-Function Phone/Ethernet Cable Tester: Automatically tests the continuity, open, and short of twisted pair data wiring (RJ45/RJ11/RJ12 ) connections. Power by one DC9V battery (9V battery not included) 5.Packaging: User's Manual, Ethernet Crimper tool, Network/Phone cable tester, Mini Wire Stripper, 50PCS CAT6 Pass Through connectors, 50PCS Covers and FREE spare blades(Crimping blade and Stripping blade)