Paul from SWISCO responded:
October 18, 2016
Thanks for posting. We don't usually need that many pictures. When it comes to top sash guides, one clear shot of it from the front and one clear shot from the side is usually enough. Seeing a tape measurer held next to the part isn't always the most accurate thing. I would recommend starting with our 18-009 and seeing how well our dimensions match up to yours.
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