This is the cap that retains the window balance. I need 5 with screws.
Dave Sr. from SWISCO responded:
April 13, 2017
Thanks for posting! Your top sash guide looks like our 18-174. Check it out and see what you think. As for the screw, our 33-017 may work. If you're not sure, you can always bring your old screw to a local hardware store and have them match it up.