A home owner from Iowa says:
July 14, 2014
I could not find the patio door manufacturer or part numbers on the door or rollers. Could you please help me identify these? Measurements are approximately 3"x15/16"x1/2" Thanks.
Paul from SWISCO responded:
July 15, 2014
This looks a lot like our 81-155 dual patio door roller assembly. Check it out and see what you think.