Looking for replacement Rollers

A handy person from Toronto, ON says:
May 25, 2017
Made by delmar Toronto
User submitted photos of a patio door roller.
Profile picture of Tom
Tom from SWISCO responded:
May 31, 2017
We would like for you to begin by taking a look at our 81-138 tandem roller. Carefully compare your measurements and dimensions to ours and let us know if they differ in any way. We have provided you with a detailed diagram of the part for your review. Get back to us and let us know your thoughts.
Alternate image for 81-138
Alternate image for 81-138
Patio Glass Door Tandem Roller, 1-1/8" Concave
Patio Glass Door Tandem Roller, 1-1/8" Concave
81-138
$17.20
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