tubmaster folding shower door

A quick learner says:
I see that you carry the 10-134. that's the part on the bottom of the door in this photo I found. What is the "top part" opposite the bottom roller? The 5 white-ish guides with screws through them?
folding shower door
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Unfortunately, the only Tub-Master parts that have not been discontinued are the 10-134 and 10-137 assemblies. It's unclear if there is any way to use those to replace the white guides you're showing us. I'm sorry we can't offer a replacement option for you.
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