L H operator no markings

A handy person from Sarasota Florida says:
OFFSET ARM 2 inch C-C 7/16 HOLE
BOTTOM HOLES 1 3/8 C-C
VERTICAL HOLES 5 1/4 C-C
GREY
I can't find markings on the window or the operator
Thumbnail of the uploaded file named L H Operator 1.jfif
Thumbnail of the uploaded file named L H Operator 2.jpg
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Tom from SWISCO responded:

It's tough to make out what you have from these photos, but it looks similar to our 39-411 or 39-058. Look over these two products and see if you could use either as a replacement.

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