balance parts

A home owner from Florida says:
My windows will not go up at all, i watched your video and took it out. Both balances are broken. Found little pins broken and had fallen off in the track. Stamped on the metal rail is-3450-43. I actuall have 4 windows that are doing the same thing. I would like to get a set for one to make sure it is correct. Please let me know whick part # is the same.

Thanks for your help, Kelly
A home owner from Florida says:
The metal shaft is 35 inches by 1/2 inch.
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 balances.

Now, as you can see, there is only one difference between these two Series, and that 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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