A contractor from Berwyn, PA 19312 says:
September 16, 2016
White vinyl glass stop. 5/8" x 9/16" with black rubber that sits against the glass.
Tom from SWISCO responded:
September 20, 2016
I'm having trouble anything like this. Could you show us a clear shot of its end? Can you also make sure the end is as undamaged as possible? Finally, please provide dimensions. Thank you!