Small plastic dowel/grommet that tilt balancer screws into

A home owner from California says:
March 28, 2024
I recently ordered 16 spiral tilt balancers to repair my double hung windows that no longer stay open. Everything was going great until I got to the third window and somehow managed to knock out and lose the small square plastic dowel (see photos) that the tilt balancer screws into. Any ideas on where to get a replacement for that piece? If not available could I just screw the balancer directly into the vinyl trim?

Thanks so much!
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Paul from SWISCO responded:
March 31, 2024

Thank you for your correspondence. I believe you are looking for our 26-200 Balance Screw Plug. Please look over and let us know if you have further questions.

Alternate image for 26-200
Alternate image for 26-200
Balance Screw Plug
Balance Screw Plug
26-200
$0.49
How to install the 26-200 Screw Plug
How to install the 26-200 Screw Plug
VIDEO
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Modifying the Series 795 Balance
Modifying the Series 795 Balance
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