I bought a package of 10 of these, even though I only needed two. It was a good thing, as one switch broke a terminal off while I was connecting a wire to it. I think the body was already cracked, because there was very little or no strain on the switch. The second one disintegrated as soon as I applied heat from my soldering iron. I've been soldering for over 50 years and never seen anything like that.Having said that, since I had a package of 10, I continued on without further incident. After