Casement parts

A landlord from Missouri says:
November 28, 2023
Can you identify these. Only number I can see is on the one end of the crack

Probably from mid-late 1970's

Thanks
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Tom from SWISCO responded:
November 29, 2023

Hello! This appears to be a match for the older 39-109B Pella casement operator handle. Look it over and let me know if you agree, or if you had any questions.
3/8" Handle for Pella
3/8" Handle for Pella
39-109B
$11.25
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