Tilt latch ID

A quick learner from USA says:
I am sending info
on a : right side vinyl tilt window latch that I am trying to get for
windows that are 25 years old...so I took pictures, etc.

The part is 5/8 wide and 2 11/16 long:
User submitted photos of a tilt latch.
Profile picture of Tom
Tom from SWISCO responded:
Thanks for contacting us. The closest matches we have are our 26-263 and 26-264. These look pretty similar in all ways except those holes on the bottom. Are they essential for installation? It seems your latch otherwise locks in normally, just like ours. Look over these parts and see what you think.
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