Multi Modular Plugs Application Crimps Ethernet connectors for RJ45 pass-thru and regular, RJ12 and RJ11 regular. Cuts extra pass through connector cables with built-in ez-cut blade. Compact Design Modular Crimper 2/3 the size of traditional crimpers, one hand operation helps you save time and effort. The compact size fits in any pocket, tool pouch and chest. Build for Shielded Network Plugs Crimps standard RJ45 (Data) and RJ12 (Voice), supports Cat5 Cat5e Cat6 Ethernet cables and works for Cat6a Cat7 shielded connectors and crimps the metal clip on the plug. 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. Enables you to crimp both shielded CAT6a connectors as well as standard RJ45 connectors. Whats in the Package? Package includes 1x CAT6a CAT7 Pass Through Crimper, 1x Mini Cable Stripper Cutter, 1x Tool Sotrage Box and 3x Network Connectors for Test.