For Standard WE/SS 8P8C Unshielded and Internal Ground Shielded RJ45 modular plugs, please use ourS45-C200RJ45 Crimp Tool. Simply45®, the award-winning brand for innovative professional RJ45 solutions, introduces our ProSeries All-In-One RJ45 Crimp Tool for Pass-Through & Standard RJ45 modular plugs. This crimper includes features recommended by professional installers such as Click-Lock Socket, Blade Storage in Handle, External Ground Crimping Socket, and more. Our S45-C101 is Simply the best RJ45 crimper available, and we back this up with our Lifetime Warranty*. The S45-C101 crimps ALL Simply45® brand RJ45 modular plugs including Pass-Through, Standard WE/SS (8P8C), Shielded and Unshielded. Note: This tool is designed to only crimp Simply45 brand RJ45 modular plugs. Unshielded and Internal Ground Shielded RJ45 modular plugs require a different crimp tool.