Looking for patio door helper

A quick learner from Ohio says:
I can't see a model # or brand name on the door, but here are the pictures. The latch plate is about 7/8" wide. Thanks in advance!
User submitted photos of patio door hardware.
Profile picture of Tom
Tom from SWISCO responded:
I believe you're looking for the keeper that engages your inside mortise lock. There are a few possibilities, but start out by looking at our 89-021, 89-021D, and 89-020. Carefully examine their dimensions and see if any of these can fit in the empty space left by your missing keeper. Take special note of your old installation holes, too.
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