Patio slider 8 foot glass slider , looks like the only thing that's wrong with them is the rollers the one roller is stamped Siri queues New York "KILIAN" and Toronto Canada .
Dave Sr. from SWISCO responded:
December 18, 2018
Take a look at our 81-092 Trimview patio glass door. This could be the roller you're looking for. See if it matches up to yours.