Channel Balance order, clips dont match yours

A home owner from Thousand Oaks, CA says:
I need to order (2) new channel balances for my non-tilt vinyl window. The code on the original balances is BSI 24 DS 35 The brand of my window is Windowmaster.

I have attached several photos of the end clips, which I cannot seem to match up the clip types shown on your website.

Please advise me which of your channel balance products will fit my application.

Thanks!
User submitted photos of a window balance.
Profile picture of Tom
Tom from SWISCO responded:
Hey, thanks for posting. I've narrowed this down to two possible channel balance Series: either our Series 380 or our Series 385.

Now, as you can see, the only difference between these two Series is their bottom shoe. The Series 380 uses the 15-005 while the Series 385 uses the 15-004. I can't quite tell what you have based on your pictures, though. Please carefully compare their dimensions to your own hardware and see which is a better match.
Comparison of 15-004 and 15-005
Comparison of 15-004 and 15-005
How to Replace a Channel Balance Attachment
How to Replace a Channel Balance Attachment
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Classifying Channel Balance Fittings
Classifying Channel Balance Fittings
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