Need Help Identifying

A quick learner says:
Hello, I sent these pictures in a few weeks ago, but there was still a little uncertainty on what the correct match was. This time I'm including the pictures with measurements which will hopefully help a bit more. Thank you in advance for your help.

User submitted photos of a top sash guide.
Profile picture of Paul
Paul from SWISCO responded:
Hey, Pete. Our 18-166 looks very close. Look it over and see if you agree.
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