8P8C(RJ45)/6P6C(RJ12)/6P4C(RJ11) Crimp Tool w/Rachet 8P8C(RJ45), 6P6C(RJ12), 6P4C(RJ11), 6P2C all in one crimpintg tool For both telephone and network wiring You can cut, strip, and crimp with this one tool.