rounded vs square roller

A quick learner from East Brunswick NJ says:
This Swisco door hanger (product code 23-047) is almost what I need. This has square profile nylon wheels, I need this hanger but with a rounded wheel. Can you help?
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Paul from SWISCO responded:

I see that you had ordered our 23-001 and 23-002 rollers. In my opinion these should work. The design is a little different but they still function the same way and have the same sized wheels. Have you tried them out yet?

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