A cast iron swing arm latch that is reversible and has it's japan finish still on are meant for flush doors. The part that goes on the cabinet measures 1-5/8" wide x 2-1/8" long with the handle being 5/8" x 3-1/2" long. Never had these before but are similar to an ice box latch and can be used to keep a door or window closed.

Please take a look at my other hardware items in my store, thank you.