Old un marked door

Question

The door is un marked but it,s double pane glass so I'm thinking at least 25 years old The width is 13/16" Length is 3 3/4" and the height his 1 1/2" can you help us out?

Fred

User submitted photos of a patio door roller.

Paul · Accepted Answer

I've seen this kind of roller before. If you have what I think you have, then I have used our 81-020 roller assembly as a substitute. You just have to reverse the screws, since you have the adjusting screw on the top where the 81-020 has it on the bottom.