Aluminum Frame Window Nylon Glide Inserts

A professional from San Antonio, Texas 78240 says:
Do you carry or are you able to supply nylon glide inserts, one near top & bottom of each single hung, non-tile window?
User submitted photos of window hardware.
Profile picture of Paul
Paul from SWISCO responded:
Thanks for contacting us! I'm having trouble identifying this guide. Is there any way we can see clearer pictures of it by itself, like you show in your third photo? Can you also give me your dimensions?
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