Ethernet Crimping Tool Package:1 RJ45 Crimp Tool, 1 Ethernet Cable Tester (Excluding Battery), With 50 RJ45 Cat5 Pass Through Connector, 50 Ethernet Network Cable Boot Cover, 1 Network Wire Stripper, 3 Crimping Tool Replacement Blade. RJ45 Pass Through Crimp Tool Quality:The precision crimping mold is made of high carbon steel and is suitable for any Ethernet or telephone cable. The "teeth" of the crimping connector are made using the wire discharge process, which improves the success rate of manufacturing network cable connectors. RJ45 Pass Through Connectors Safe:A fast and reliable Ethernet crimping tool with a steel body structure, durable and ergonomically comfortable handle, The safety release device of the ratchet and the blade guard on the cutting and stripping knives can reduce the risk of injury. Network Tool Kit Speciality:Used for stripping, cutting, and crimping cables of 6 bit and 8 bit modular plugs connectors (RJ45, RJ11/RJ12). RJ45 Crimper Service:If you have any product issues, we are happy to provide a refund or replacement for your purchase Our worry free 6 month warranty and friendly customer service. If you have any questions or concerns, please contact us and we will be happy to provide assistance.