a sash guide

A quick learner from Flagstaff, AZ says:
Last week, I ordered and received your part #18-008, a 5/8" top sash guide. Turns out to be the incorrect part. Can you please help with the correct part, using the two attached photos? Thank you.
User submitted photos of window hardware.
Profile picture of Paul
Paul from SWISCO responded:
I'm having trouble finding a match for this. May we have the depth of this top sash guide, and a photo of how it installs in the sash?
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