IWC hook mechanism

A quick learner from La Habra, California says:
Just says IWC on it. The hooking mechanism isn't working. Can it be replaced?
User submitted photos of patio door hardware.
Profile picture of Paul
Paul from SWISCO responded:
Yes, you should be able to replace it by itself. Please see our 82-218 mortise lock, I believe this can work for you. Looks like yours is in some kind of cartridge, you should be able to remove it to swap it out.
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