Ratcheting Modular Crimper/Stripper. Fast, reliable modular-crimp connector installation for voice and data applications. All-In-One Tool, cuts, strips and crimps paired-conductor cables (round STP/UTP and flat-satin phone cable). Crimps 4, 6, and 8 position modular connectors (RJ22, RJ11/RJ12, and RJ45). Steel body with black-oxide finish for excellent performance and durability. Crimping dies are precision ground from high-carbon steel. Ratchet safety-release and a blade-guard on cutting and stripping knives reduce risk of injury. Full-cycle ratchet mechanism prevents the release of the connector prior to full compression. Yellow and black grips enhance comfort, visibility, and allow quick identification. Three crimping dies.