Substitute for 91-056 and 91-057?

A quick learner from Wisconsin says:
I tried to order the 91-056 and -057 but they're discontinued. Do you have a replacement to recommend? Metal is ok too.
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Dave Sr. from SWISCO responded:

We do carry the 91-054 and 91-051 latches. The measurements are a little different, but they might be close enough to fit your storm frame. I'm sorry that we can't offer the originals anymore.

How to replace your storm window latches and corners
How to replace your storm window latches and corners
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