Would like to replace door handle

A handy person from Northern California says:

I would like to replace this door handle with a keyed door handle. What are my options for doing this since this is a 3" hole set?

Can I just use this handle and install a seperate lock somewhere else in the frame?

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Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:

This setup looks similar to our 82-077 handle set, but yours appears to be an older style. Unfortunately, we do not have a key lock that will work with this set. I am sorry that we cannot offer an alternative.

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