1APPLICABLE RANGE: This crimping tool can be used to trim 8P8C and 6P6C modular connector, RJ45 Cat6 Cat6a Cat5e Cat5 connector end, and RJ12 connector (excluding AMP). 2CRIMPING TOOL: Professional crimping tool can accurately crimp the pins of the plug, pierce the insulation layer of the network cable, and fix each twisted wire into the RJ45 connector. 3EASY OPERATION: Made of excellent steel stamping, the handle adopts a labor saving handle design, with a folding and locking function, and the right fixing strip is convenient for crimping. 42 METAL BLADES: The distance between two metal blades is moderate, making it easy to peel off the rubber of the twisted pair without cutting, ensuring that the ports are flat and free of burrs. 5REASONABLE SHAPE: The overall size of the crimping section match the crystal head, without any misalignment, better ensuring a secure connection between the twisted pair and the crystal.