Compact Modular Crimper - 2/3 the size of traditional crimpers, one-handed operation with rust-resistant black oxide coated steel core. The ergonomic, spring-loaded matte handle returns the tool to the starting position at the end of the cycle, saving time and effort. The compact size fits in any pocket, tool bag, and chest. Multi-Modular Jack Application - Installation and modular crimp connectors for voice and data applications. Crimper RJ45 3/4/5/5e/6 (8x8) (8P8C), RJ12 6 position (6x6) (6P6C), RJ11 4 position (6x4) (6P4C) and RJ11 2 position (6x2) (6P2C). Also works for pass-thru connectors with integrated pass-thru blade. Designed for Shielded Network Connectors - Crimp RJ45 (data) and RJ12 (RJ11) fixed shape cavities, supports STP/Ethernet cables UTP Cat5 Cat5e Cat6, twisted pair, crimping of telephone, voice and data cables. Specially designed for Cat6a Cat7 shielded connectors and even crimps the metal clip on the connectors. Built-in Cat7 to Cat5 Switch - Switch from Cat7 to Cat5 crimping with a screwdriver to loosen, then switch up or down to change the compression mode. Allows you to crimp both shielded CAT6a connectors and standard RJ45 connectors. Cat7 mode stands for crimping Cat7 shielded connectors. Cat5 mode means crimping Cat5e and Cat6 connectors. Model Number: ZTMPSCAT7BK color: black Material: metal size: Length: 13.5cm Package Contents: 1 x Crimper Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.