Single Wheel Aluminum Patio Door Assembly

A home owner from Toronto Canada says:
Die Cast
Ball bearing wheel appx 1 1/4"
Only markings are "CD 80 1"
I need 8 units
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Casey from SWISCO responded:

Hi there,

Your assembly seems to match our 81-002 roller. The top screw will be #8-32" X 1/2" flat head screw. The frame screw if you need it will be our 33-106 12-24 X 1/2" SS Phillips screw. 

Let us know if you have any other questions. Thank you!

A home owner from Toronto Canada says:
Thank you.
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