I called the store mgr for clarification. His name is Mike. He said it's gotta be thick wall steel safe with a combo.
Turner's uses their own form that is very simple, it just asks for model number and brand.
What the H do you guys do with all these locks? I have a bunch still in the packaging. What else are they good for? Only one I'd keep is the Ruger, since it's a padlock type.