Double Rollers stamped 41781

A handy person from California says:
I have a double roller number on roller is 41781. It has a hook where the whole glide screws on. Help
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A handy person from California says:
I have already posted a pic this is just a different one number on wheel track is 41781. Thank you
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Tom from SWISCO responded:

I wasn't able to match up that number, but in terms of style your roller is very similar to our 81-173. I would carefully go over our dimensions to make sure that they match up. If they differ in any way, let me know how and we will try to find something better.

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