Thank you so much for your help to find that part for my windows
Bob from SWISCO responded:
December 3, 2020
I am not sure if we have an exact match for this clip. Would something like our 70-017, 70-046, or 70-112 Z Clips work? Along with a 70-112 or 70-160 Thumbscrew? If not, see a slip-on clip like our 70-176. See if this could work as a replacement.