The Brileine RJ45 Pass Through Crimper Kit is a premium, long-lasting Ethernet crimper kit designed for cutting, stripping, and crimping CAT5, CAT5e, and CAT6/6A cables. The Pass Through technology significantly improves work efficiency, reduces prep time, and ensures fast, accurate, and reliable crimping. The kit includes an all-in-one 6P/RJ-11 RJ-12, 8P/RJ-45 crimp/cut/strip RJ45 Crimp Tool, a Network/Phone cable tester, 50PCS Pass Through CAT6 Connectors, 50PCS RJ45 Blue Cover Boots, a Yellow Mini Cable Stripper, a set of spare blades, and a user manual. The crimp tool features an ergonomic handle design to reduce hand fatigue and a wiring diagram to help eliminate rework and wasted materials. The cable tester can test RJ45/RJ11/RJ12 cables and detect wrong connections, short circuits, and open circuits.