All-in-one Modular Crimper - Fast, reliable modular-crimp connector installation for voice and data applications. Crimps RJ45 Cat 3/4/5/5e/6 (8x8) (8P8C), RJ12 6-position (6x6) (6P6C), RJ11 4-position (6x4) (6P4C) and RJ11 2-position (6x2) (6P2C). NOTE: NOT for use on AMP/TYCO style plugs and does NOT crimp EZ-RJ45 (pass thru connectors). Compact Design Modular Crimper - 2/3 the size of traditional crimpers, one hand operation with rust resistant black oxide coated steel core. Built-in Cable Stripper Cutter - The interchangeable SK5 blade ensures its quality and sturdy, strips and cuts Ethernet cables, paired-conductor cables (RJ11, RJ12, RJ22, RJ45). Recoil Spring Loaded Mechanism - Unlike ratcheting design, the recoil spring design on the handle returns tool to ready position upon cycle completion, helps you save time and effort. Whats in the Package? - Package includes 1x RJ45 RJ12 RJ11 Modular Crimper, 1x Mini Punch Down Cable Stripper, and 3x CAT6 Pass Through Connectors.