Multi Modular Plugs Application Crimps RJ45 Cat 5//5e/6/6a/7 (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). Built-in Cat7 to Cat5 Switcher Switch from Cat7 to Cat5 crimping by using a screwdriver to loosen then switch up or down to change the compression mode. Crimps both shielded and unshielded RJ45 connectors. Compact Design Modular Crimper 2/3 the size of traditional crimpers, one hand operation with a compact size fits in any pocket, tool pouch and chest. 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 CAT5/5e CAT6/6a CAT7 Modular Crimper, 1x Mini Cable Stripper Cutter, 1x Tool Carry Pouch and 3x Network Connectors for Test.