Ok so I am a locksmith. Really. I know this sub has not verified me. I have many many years and a lot of coffee talk. One day someone suggested I train. What? Well I am not the best instructor. But I show up. Years ago a small jail closed up shop and I was asked if I wanted the locks. Southern Folger sells these locks only to the end user and for a butt ton of cash. They are worth it believe me. I have more styles as well. And this is not the only kind of locks I have heard the names of.