Roller guide - top of shower door

A quick learner from Milpitas Ca says:
March 4, 2021
Can you please help me identify this part and availability.
Thanks
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Bob from SWISCO responded:
March 4, 2021

We don't have a shower door guide quite like this. Our closest match would be the 10-121. Look over its dimensions and let me know if you think this could work for you. 
Premiere Shower Door Roller Assembly
Premiere Shower Door Roller Assembly
10-121
$6.55
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