This piece inserts into each stile at the top and the screw that retains the spring balancer screws into it
Casey from SWISCO responded:
May 17, 2019
Hi there, this appears to be our 26-200 balance screw plug that installs with the 33-016 screw. Let me know if you have any additional questions.
Casey from SWISCO responded:
May 17, 2019
You got it! Glad we could help and we appreciate the business.
A quick learner from Bensalem Pa says:
May 17, 2019
Kathleen: Thank you for the quick response. I have just completed an online order for these items as well as the spiral balancers. Again thank you very much!