

I have no keys to the locks, so as you can see I removed the top lock and took some measurements on the hole so I could replace it. The hole (see 2nd picture) doesn't seem cut right to me... but the measurements I came up with on it are 16.5mm high & 19mm wide. These are old locks and I have no idea what would fit the holes as they are.
I'm assuming these sizes are pretty standard for locks: http://excellentcom.net/e/product/produ ... brand_id=8
The 2nd lock is still on there because, well, it's locked and I don't have the keys. After being unsuccessful at picking it and reaching it through the slit in the coin box I think my only solution is to drill it out and I was just wondering if any of you had an opinion on it from your own experience.
Once that is all done, are there certain locks I can order in a quantity of 3 or more and be able to use the same key in all the holes? That would be great if I could use one key for both front and back of the cabinet, and possibly another cabinet I may have.