Being unfamiliar with this, I had to look it up[0]. While these look interesting, I can't imagine where I'd use them. They are HUGE. Like bigger than that even. I can't imagine unbolting the side panels of a satellite in space, being able to use one of these, and then it being able to fit back into the original position.
[0] https://www.wago.com/us/discover-wire-and-splicing-connector...