replacment window handles, Truth

A home owner from Grand Rapids, MI says:
My handles don't work well, can open but not close - as if grooves on cranks don't match cogs. Attached are pictures of the mechanisms. The only identifying mark is it says Truth on the mechanism. Hopefully you can identify and help with my situation. Thanks!
A customer submitted photo of a window operator.
Profile picture of Tom
Tom from SWISCO responded:
Good morning, and thank you for posting! Have you seen our 39-032 & 39-031 EntryGard Dual Arm Operators? Compare the dimensions and let us know if they differ in any way.
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