Crimp Tool for RJ11, RJ12, RJ45, 6x4, 6x6, 8x8 - Compatible with CAT6A STP Modular Plugs RJ11, RJ12, RJ45, 6X4, 6X6, 8X8 Compatible with CAT5/CAT6/CAT6A Shielded Modular Plugs Modular design with removable presser bar Built-in cutting-stripping blade ROHS compliant