is this your thumb latch?

Question

Does this look like your thumb latch?

User submitted photos of patio door hardware.

Tom · Accepted Answer

This looks to be the 82-043 Tribeca thumb latch. It will work as a replacement, don't you think? If you find that this part is repeatedly breaking, you should check your mortise latch (the tongue that extends from the edge of the door). It may be time to replace it.