Tom from SWISCO responded:
September 27, 2021
Hello! I believe your roller is an older version of our 81-018, which is used on a ton of different brand doors. Your first step should be to review our specs to confirm that it will work. Ours are a little bit different from yours but I think we just measure it differently. It can't hurt to triple check to make sure. Alternate image for 81-018
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