Peachtree patio screen door roller

A quick learner from Davenport, Ia says:
March 31, 2012
I am looking for a Peachtree patio screen door roller and am having no luck finding one like in the inclosed image. Can you help? I would like four of them. Thanks.

Randy
A customer submitted photo of a screen door roller.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
April 4, 2012
Thanks for posting, Randy. The photo you are showing us looks like it could be just a piece of an entire roller assembly. Can you confirm? In the meantime, please take a look at our 84-016 screen door roller. Also take a look at our 84-075 Peachtree patio steel roller. Do you think either of these would help?

If you aren't sure, and if the image above is, indeed, the entire assembly, could you give me your roller's dimensions, including wheel diameter?
A quick learner from Davenport, IA says:
April 4, 2012
The roller is indeed part of an assembly; 1.5" diameter wheel, and pivots on the plate that mounts into the top and bottom of the door frame with one screw.
A customer submitted photo of a patio door roller.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
May 11, 2012
Thank you for your patience in this matter. After extensive research, we have discovered that these rollers are no longer available. I'm sorry that we were unable to help you in this matter.
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