Klein Tools Compact Pass-Thru Modular Crimper with CAT6 Data Plugs (20-Pack) M2O40903KIT - The Home Depot
RJ45 Crimping Tool Ethernet Crimper for Cat6 Cat5 Cat5e RJ45 Pass Through Connectors and RJ12 Ends Comes with 20PCS RJ45 Cat6 Connectors and Replacement Blade - Amazon.com