Door lock and handle

A quick learner says:
Attached is a door lock for a customer.

The lock mounting holes are 9 15/16".

The 82-402 product looks nearly the same but is almost an inch too short.
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Jasmine from SWISCO responded:

Thanks for reaching out.

Unfortunately, we do not have a compatible mortise lock that we can recommend to you at this time.

If it is still in working condition, you may be able to use our 82-030 as a replacement for the handle set. However, if you're looking to replacement both, we wouldn't be able to assist with a replacement.

Let me know if you have any questions.

A quick learner says:
Do you have a plate that would fit the https://www.swisco.com/Mortise-Tulsa/pd/Patio-Glass-Door-Replacement-Locking-Handles/82-402

I have attached the locking plate picture. If this one works with the 82-402, that would be great. If not, do you have one that will work with the 82-402 and I can mount on my customers door?
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Jasmine from SWISCO responded:

Unfortunately, it cannot. The 82-402 is only designed to work on a very specific and uniquely designed door. It will not be adaptable in your case. I am very sorry for the inconvenience.

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