I use them with small tools. The crimper works great with these connectors. I also use a Cat6 24 AWG cable from Monoprice. I couldn't even figure out how to use that in 23awg. 24AWG fits perfectly. But so far I like these. The cable easily goes through the holes. The problem is that some of them are missing gold contacts. Not happy about that. Try them before you waste time plugging them in, because they won't work without contact.