Need some help

A quick learner from Cape coral, fl. says:
These are on small windows enclosing a patio. I have 20 windows that all need new rollers but i cant find a manufacturer or item numbers on anything.
Any help would be appreciated
Thumbnail of the uploaded file named IMG_2186.jpg
Thumbnail of the uploaded file named IMG_2187.jpg
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Emily from SWISCO responded:

Hello!

Your roller is very similar to our 81-090, but ours is made for patio glass doors as is your original roller. Compare our dimensions to yours and see how they match up. We can't 100% guarantee how well this will work for a window, even a heavy duty one like you presumably have.  

Alternate image for 81-090
Alternate image for 81-090
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