Window spring Fastener

A quick learner from 23451 says:
This is the plastic insert for the window spring screw which holds the spring to the window. It measures 1/4 inch square. This is the half that is left. I hope you can help. Hardware store only had round ones for hanging pictures in drywall.
Thumbnail of the uploaded file named 20191111_153705 (1).jpg
Thumbnail of the uploaded file named 20191111_153650 (1).jpg
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:

Take a look and consider our 26-200 balance screw plug. 

How to install the 26-200 Screw Plug
How to install the 26-200 Screw Plug
VIDEO
WATCH >
Modifying the Series 795 Balance
Modifying the Series 795 Balance
GUIDE
READ >
Reply to Thread
Use this form to ask a follow-up question or to share your experience regarding this subject.
(your email address will be kept private and is only used to inform you when a response has been made)
Current wait time is 3-4 business days
We promise that one of our experts will personally get back to you as soon as they are able. Thank you very much for your patience and understanding. If your inquiry is time-sensitive, please feel free to reach us at (888) 991-1929 or at help@swisco.com.