1.Multi Network Connectors Application – Fast, reliable modular-crimp connector installation for voice and data applications. Crimps regular and pass thru RJ45 Cat 3/4/5/5e/6 (8x8) (8P8C) connectors, and RJ12 6-position (6x6) (6P6C), RJ11 4-position (6x4) (6P4C) and RJ11 2-position (6x2) (6P2C). 2.Compact Design Modular Crimper – 2/3 the size of traditional crimpers, one hand operation with rust resistant black oxide coated steel core. Recoil spring loaded ergonomic matte handle s tool to ready position upon cycle completion helps you save time and effort. The compact size fits in any pocket, tool pouch and chest. 3.Built-in Cable Stripper Cutter – SK5 blade ensures its quality, come with replacement blade set. Strips and cuts Ethernet cables, paired-conductor cables (RJ11, RJ12, RJ22, RJ45), Twisted Pair, voice and data cables, no need to buy a cutter or stripper separately, with a blade-guard on cutting and stripping knives reduce risk of injury. 4.Recoil Spring Loaded Mechanism – Unlike ratcheting design, the recoil spring design on the handle s tool to ready position upon cycle completion, helps you save time and effort, also, it makes the release easy after you successfully crimp the modular plug connector. After use, you can conveniently store it due to its locking feature.