4XEM's Network Cable Crimping Tool is ideal as a durable Cat3, Cat5 and Cat6 cutter and crimper. This modular plug termination tool cuts and crimps CAT5 RJ45 as well as RJ11 and RJ12 connectors. It also works as a cable cutter and jacket stripper. Quality build.Problem it solves: Essential for making superior unshielded CAT5 & CAT6 patch cables - and making them right! 4XEM gear is respected industry wide for its high performance, premium quality and durability.