These connectors are great. I bought a few packs and used about 150 of them. Of all the connectors I've used, the only problem I had was one of the pins bent when I crimped it. I plugged in a Cat 6 cable and the case slid easily into the head. On most forks, the hole is a regular rectangle. On them, one of the wide sides actually bends a bit, allowing you to fit a large jacket of cable into the connector. This will ensure that when you're crimping, you're crimping the jacket on the back end and