From outdoor patio railing.

A handy person from Union City, NJ says:
This piece holds the 1/4 glass in place.
Thumbnail of the uploaded file named IMG_6080.jpeg
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Jasmine from SWISCO responded:

Thanks for posting! We do not have an exact match for the glass insulation you are searching for but our 59-234 may be worth considering as replacement. Carefully compare the dimensions and design of the part to determine if this may work as a replacement for you. This is the closest match we have to the insulation you have pictured here.

Profile view of 59-234
Profile view of 59-234


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