Window crank assembly

A quick learner from Bayside queens says:
Hi have crystal window need crank assembly /arm to open and close window
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Emily from SWISCO responded:

Hello!

Your hardware looks like it would be a match for our 39-091 and 39-092 ROTO operators. However, the bad news is that the bracket link arms were discontinued and are no longer available. You'll need to re-use your old ones, if possible. 

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