Very well made product. Itz very strong and I do t think I could break it if I tried. The only issue I have is that it doesnt really fit into my nylon keepers. I have Bianci ones not some off brand ones. I've also tried with leather keepers and have the same issue. Buttons on keepers would come undone repeatedly when I had the concealment key in them. It's too thick possibly. And that kind of defeats the purpose of why I purchased them. Still makes a great key so I just use it as a key chain.