Multi Function: Used for pass through design connectors , crimp the connector and cut the extra wires , another function of crimping dovetail clip, which is helpful for crimping modular plugs with feed-thru design and dovetail clip at the same time High Precision: High-standard precision crimping and grinding port, fixed modular plugs to make sure cables do not fall CAT5 CAT6 CAT7 Modular Crimper It doesn’t matter whether you are an IT professional who is dealing with network cables and connectors daily or just a home user who is a newbie to the Ethernet network, you should get the Atdaraz Ethernet crimping tool. 2/3 the size of traditional crimpers, come with screwdriver and cable stripper, crimps standard CAT5 CAT6 and shielded CAT7 network connectors and budget friendly; all together make this network tool from Atdaraz is a top-ranked RJ45 RJ12 RJ11 network crimper today.