From PGT single hung.
Guide is white thermoplastic, the number "5" the only embossed marking.
Body width is 13/16 (width of channel on window frame).
1 9/16 total height.
Thanks!
Tom from SWISCO responded:
December 19, 2016
Thank you for your post. We believe you need our 18-015 PGT top sash guide. Please take a look and let us know that works out for you.