I like: They clean up to use, leave up and wire in. (I removed the standard nuts in case I wanted to go back) Perfect for tight spaces (Used in a small switch box surrounded by unforgiving concrete.) Dislikes I broke off the plastic lever (small plastic so be careful) fairly easily with them are expensive . With multiple pins going into one connector, I worry that it will break when connections are moved in tight spaces. Would I Buy Again: Yes, would I buy regular nuts? I think so, but I'll try some aftermarket brands as well. and similar products to justify wago to others like butts. Go on: I went from 4 stars to 5 stars after trying standard stocks that roll up, they're a lot easier.