SWISCO - The Replacement Hardware Authority

I want to know which balance I should buy

A home owner from Bay Area says:
My window is not working and I am looking for a balancer. It is made by Milgard Windows and the number is 29 9 DW CMC 10.

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.
15-004 and 15-005
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