Window Frame Clip Missing

Hello,

I am already ordering other parts from you to fix some windows. One such window is getting new block and tackle rods on either side. However, I just noticed that there are metal clips on either side of the window frame and one such clip is missing.

Do you have these parts and can you help identify the one I need.

Attached photos show the window frame in question. One side has the metal clip and the other does not. Need to get a new clip.