Window dual arm operator

A home owner from Laval Quebec says:
This is the crank handle for my windows can you help me
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Tom from SWISCO responded:

This looks like an older version of our 39-239B Encore style operator. I feel confident that this will work for you. Just keep in mind that the handle and cover are sold separately, see our 39-451 . Look these parts over and let me know if you agree.

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