The Triplett Model TT-325 Crimp Tool can be used for CAT5, CAT6, & CAT7 high-speed pass-thru and RJ11/RJ12 modular plugs to cut, strip and crimp quickly and accurately every time. Easily verify the proper wiring order with a visual inspection. The crimp tool simultaneously crimps and cuts so that wires will be properly flush to the front of the connector. The TT-325 features a compact design with ergonomic grip and comfortable compressing action.