Evolution Window Part

A quick learner from USA says:
Do you have this part for my Evolution window?
User submitted photos of a window roller.
Profile picture of Tom
Tom from SWISCO responded:
I'm afraid I can't tell what you have based on this picture. The housing I see is just the inside portion of a roller unit. There should be an outer housing, likely still installed in your window. I will need to see the whole thing together in order to confirm a match.
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