patio door handle and mortise lock

A quick learner says:
I need to find a replacement inside handle in black, and the double hook mortise locking mechanism. Or if there are not parts that fit, then a full replacement. The locking mechanism has something broken.
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Bob from SWISCO responded:

Thanks for posting. I'm afraid we don't carry this handle set in black. See our 82-081 Keyed Handle Set, as well as our 82-238 Double Mortise Lock and 89-042 Strike Plate. See if these parts match what you need.

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