Review on 180 Degree Adjustable Jackson Safety 14797 by Rick Alexander

So I bought this to replace my Curvomark center finder which I bought new. I removed a screw that had never been removed before and it came out easily. I put a new one on and screwed in a new screw by hand. It screwed in well for the first few turns, then there was a little more resistance, which I think was due to the blue thread lock found on the included screw. As soon as I applied any force to it, it broke. I literally didn't put a muscle on it. I contacted the seller and he pretty much told me that I'm the only one who has ever had this problem. I'm a pipe fitter and I worked as a mechanic for a while. I'm not some street scoundrel who doesn't know how to put a screw in a corner viewfinder. I've bought a few other items from this seller and have never had a problem, but apparently I don't have a $103 angle finder now.