Need Fenestra operator, 56-16L

A purchasing agent from Williams,AZ says:
I have Fenestra casement operators with the number 56-16L do you have those or something that is compatable?
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Mike from SWISCO responded:
Thank you for contacting us.

Please take a look at the Swisco 39-344 Fenestra Casement Operator. If this does not match your original, you may send us photos of your operator. Please be sure to include dimensions and any markings you find on the operator.
A landlord from Albuquerque, NM says:
Your catalog shows only right-handed configuration for the 39-344 Fenestra Casement Operator. Is it available in left-handed configuration and, if so, how do I indicate this when I order?
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Donna from SWISCO responded:
Yes, the opposite hand can be supplied; we will post again as soon as it becomes available for you.
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Donna from SWISCO responded:
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