Sliding glass mirror bottom guide

A quick learner from Michigan says:
February 13, 2021
Please can you identify this plastic slide from a 1960 vintage medicine cabinet. I need 4 pcs.
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Bob from SWISCO responded:
February 16, 2021

We've seen this old guide before. Our closest match is the 10-004, which is typically used at the top of a mirror, but it's possible it could be adapted to the bottom as well. Take a look and see what you think. 
A quick learner from Michigan says:
February 16, 2021
Ok thanks, I have the top guide already, but it does not have the groove to aline on the bottom track.
Top Plastic Guide
Top Plastic Guide
10-004
$0.60
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