thelockpickkid wrote:But what about that little check pin like hole on the cylinder in his picture? What is that thing?
I'm guessing that you are talking about the hole to the side in this picture.
http://img688.imageshack.us/i/20100210215640.jpg/If so, it isn't a check hole like the Everest. It is a screw hole (just a blurry picture), it holds the sleeve that slides over everything in place. He just didn't take a picture of the sleeve.
Olympus's site has blurry pictures too. You can barely make out the screw in this fully assemble lock.
http://www.olympus-lock.com/n078.htm (it probably isn't exactly what nightman76 has)