Crimps and trims extended wire in EZ-RJ45® Connector in a single cycle. (EZ-RJ12/11® requires manual trimming) For use with EZ-RJ45® Cat 5/5e & Cat 6 Connectors. Will also work on most other RJ-11, RJ-12 and RJ-45 connectors. (Except AMP). Features precision cast crimping dies for superior accuracy. Built-in wire cutter and stripper for silver satin. Also compatible with all stranded modular plugs (except AMP). Laser marked with wiring guide for proper wire sequence.