Trying to identify rollers for my sliding glass door

A home owner from Islamorada, FL says:
Hello. See (4) attachments. There is a two-wheel roller on each end of the door. There are no numbers or indentifiable markings on the rollers.
User submitted photos of patio door rollers.
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Paul from SWISCO responded:
I recommend that you look at our 81-030 an 81-095 and see if either of these can work for you. Make sure to carefully compare the dimensions we show to your own hardware to determine which is closer.
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