need 2 rollers with tab

A handy person from NC says:
I need to purchase 2 of these rollers but cannot seem to find it in your parts inventory. The ears (tabs) that get screwed into bottom of door are on the wrong side of the rollers. Mine look different than the ones you have. Can you help me. .Y name is Tim and my # is 252-725-2068. I will also call on Monday.Thank you.
patio roller
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Paul from SWISCO responded:
You have a reverse-mount tandem patio door roller, similar to our 81-141. You might want it in stainless steel, in which case, you'll choose 81-137, but not before you check the measurements to be sure of what you need.
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