Replacement balances needed

A home owner from Leavenworth WA says:
I have 2 older windows and need a pair of replacement balances for each window (4 balances total)

The stamp on the backside of the balance says "19 3 HS Caldwell" (see photo)

The balance is 20"long

Thanks for your help!
User submitted photos of a window balance.
Profile picture of Paul
Paul from SWISCO responded:
Please see our S395-20, I think this may be what you want.
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