RJ45 crimp tool works perfectly with RJ45, RJ11, and RJ12 pass-through connectors for easy wire alignment and clean terminations. Supports 8P, 6P modular plugs for CAT5, CAT5e, and CAT6 cables; Made from high-carbon steel with black oxide coating for corrosion resistance. Ideal for both professional installers and DIY enthusiasts; RJ45 Crimp Tool Passthrough 8P 6P RJ45 Crimper/Wire Cutter/Wire Stripper for RJ11/ RJ12 Cut CAT5 CAT6 CAT7 Ethernet Crimpers Electrician Tool 8P 6P; RJ45 Crimp Tool Pass Through Ethernet Crimping Tool for Cat6 Cat5 Cat5e RJ45 Connectors with Replacement Blade