SWISCO - The Replacement Hardware Authority

what handle is this

A home owner from Dana Point, CA says:
this is from a 1980 house, no name on hardware. 2 photos are outside handle

Number inside: 608-2-1

Any ideas?

Thanks
Dan
User submitted photos of a patio door handle.
Last
User submitte photos of patio door handles.
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Dave from SWISCO responded:
Thank you for posting. Can I also see a few photos of the door and the rest of the lock? I want to confirm if it's a mortise type lock.
A handy person from Dana Point, CA says:
sorry for the late reply. Here are a couple photos of the lock on the door.
Dan
User submitted photos of patio door hardware.
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Dave from SWISCO responded:
Thanks for posting. Can you confirm the distance between your installation holes, center-to-center? I'm thinking you may be able to use something like our 82-033 as a substitute. Let me know what you think!
A quick learner says:
the distance between installations holes is 5 9/16th
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Dave from SWISCO responded:
Hmm... that's a very peculiar spacing. I still think you can use our 82-033 handle, since your mortise lock looks very close to the type that can work with the 82-033 handle. You will just have to retro-fit it by drilling new installation holes.
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