need this with a 4" link arm

A home owner from massachusetts says:
hello, we need to replace 2 dyad operators in our home (the housing has cracked) and need the link arm to be 4". We are having trouble finding this...any suggestions?
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Emily from SWISCO responded:

Hello!

I'm afraid we don't have an operator with that link arm size. The only solution we've ever been able to get to work is by swapping the arms out. This can be done by drilling the arms off the old and new operator, then installing the old arm on the new operator using our 62-014 rivet. Would this work for you? Let me know what you think, or if you had any other questions. 

39-090 : Window Dyad Crank, 5
Window Dyad Crank, 5"
39-090
$35.39
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62-014 : Rivet
Rivet
62-014
$1.06
VIEW >
Connecting a casement window operator to stud bracket
Connecting a casement window operator to stud bracket
VIDEO
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Anatomy of a casement window
Anatomy of a casement window
VIDEO
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