This EZ crimp is a great easy way to make your crimps tight and accurate. The individual wires go all the way through this connector head and allow you to make sure everything is lined up before you crimp down. After you crimp, use a cutter or the specifically made crimp tool [part]100054C[/part] to trim the end. The innovative Snag Proof Strain Relief is designed specifically to be crimped with the EZ-RJ45 plugs. The primary strain relief of the plug locks the snag proof strain relief in place so they will not pull off, creating one, integral assembly. Once crimped, this design allows the plug's primary strain relief to relax slightly, preventing the cable pairs from being over compressed. This decrease in stress contributes to achieving peak performance. The tab on the strain relief is designed to extend over the plug's locking tab, making it snag proof when administering patch cords.