IMG_5702 is a take-out clip
IMG_5701 (broken in 2 pieces) fits into the top corners of the sash (vent)
Paul from SWISCO responded:
April 16, 2018
We'd like for you to take a look at two parts: our 18-166 top sash guide and 67-026 face guide. Do you think these parts are the parts for you? Compare your measurements to ours just to be sure.