From the mid 80's
A home owner from Thunder Bay, Ontario says:
August 22, 2014
There are no markings on this sliding screen door or the glass door's. I need about 12 of the plastic spring loaded rollers. I'm just hoping one of your experts recognize and can provide some insight.
Dave from SWISCO responded:
August 27, 2014
Your corner is very unusual. I don't think we'll have an identical match. If you just want to replace the wheel, I would consider using our 84-029. You would remove it from the bracket it comes with and install it on your roller. What do you think?