Heavy Patio door roller replacement

A contractor from North Troy Vermont 05059 says:
June 18, 2017
Hello,
I have two heavy 8' sliding wood patio doors and I need 4 roller assy's as in the pic.Do you have an equal part.

I also am looking for a snap track to cover the old aluminum worn track.

Thank you for your time, I will purchase imeadiatly for delivery to North Troy Vermont 05859...what delivery could I expect ?

Thank you
Peter
User submitted photos of patio door hardware.
Profile picture of Tom
Tom from SWISCO responded:
June 21, 2017
Hey, Peter. This is similar to our 81-018. Give it a look and let me know what you think.
Sliding Patio Glass Door Tandem Roller
Sliding Patio Glass Door Tandem Roller
81-018
$8.70
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