Lauren from SWISCO responded:
December 14, 2021
Hello, thank you for posting! Please start by comparing the dimensions of our 82-030 handle set that has a 3-15/16" hole spacing. For keyed exterior access, you can adapt the 82-310 key lock to the outside handle. More information can be viewed here regarding installation. Please let me know if you have any questions. Hole center dimensions for 82-030
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