41781 or Product of DEL MAR ENG space CO Patent number 367-0357

A quick learner says:
Metal rolller for heavy patio door
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Emily from SWISCO responded:

Hey there!

Take a look at our 81-033 roller and look over our dimensions to see if this matches your original hardware.

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81-033 : Sliding Door Roller, 1-1/4
Sliding Door Roller, 1-1/4" Steel Ball Bearing
81-033
$7.66
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