Repair parts confirmation / Roller

A home owner from USA says:
Please advise?
I have an 8' Great Lakes, sliding patio door.
Is 81-163 stainless steel tandem, patio door, roller a good roller replacement? See photos below?,
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image1.jpeg
Thank you!
Thumbnail of the uploaded file named Kim roller #1.PNG
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Dave Sr. from SWISCO responded:

Hello,

Based on your photos, the 81-163 tandem roller looks larger than your roller. I'm honestly not sure if we can supply the exact roller that you need but if you could write out the exact width and height of your roller housing, as well as the wheel diameter, we'd be happy to look into this further to see if we could offer a suitable replacement. Thank you. 

A home owner from USA says:
Is there one or more parts that look identical to my photos? What is your return policy? Honestly it is easier for me to purchase two sets, and return the set that does not fit!
Please advise ? thank you!
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:

You're welcome to look through our selection of tandem rollers here but we will need you to confirm the dimensions that we requested to narrow down your options further. In the meantime, you can find our return policy here

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