casement window operator

A home owner from Haslett Michigan says:
I have several operators and handles that need to be replaced. The house was built in 1980. The operators are sill mounted, made by Truth. They are 9.5 inch and have no offset in the arm. There is the number 40056 on the unit. Thanks - Dave
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Paul from SWISCO responded:
Thanks for posting, Dave. Start by looking at our 39-027E and 39-028E. Do these match your operators? If you also need new handles, see our 39-114L.

If this hardware does not match what you currently have installed, please take a few pictures of the parts in question so that we can find a better match.
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