This is a combination lock for Tajima Metal Work's mailbox. It cannot be replaced with older combination locks such as 96 combination locks.
For top opening, with cosmetic ring. Please note that there are some post part numbers that cannot be attached.
To unlock, align the parent number twice in the specified direction, then align the child number in the specified direction.
To lock, turn the dial one turn or more. If you don't turn it more than once, it may open just by matching the child numbers.
The shape of the cosmetic ring may differ from the photo depending on the manufacturing date.
This is a set of a replacement my number lock (for opening from the top) and a special cosmetic ring for Tajima mailboxes.