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
Tom from SWISCO responded:
January 13, 2021
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.