These are made of pot aluminum approximately 1 13/16ths long 5/8ths wide. I don't see anything resembling these. Please help
Paul from SWISCO responded:
January 3, 2020
Hmm...There is a possibility you may be able to use our 18-065 top sash guide as a replacement. This has a depth measurement of 11/16". Take a look and let us know your thoughts on this.