Top sash channel guide

A home owner from Norco, Ca says:
I'm looking for the top sash channel guide and can't identify which one of your parts is the equivalent. I have also attached a picture of the stamp on the channel balance. It is approximately five eights wide and 1 3/4 tall. Can you help?

User submitted photos of window hardware.
Profile picture of Paul
Paul from SWISCO responded:
Hello, Don! I think you should consider our 18-012. Even though it's a little shorter, I think it could still work for your window.
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