sprial balance 29.5 inch long

A home owner from North Carolina says:
October 31, 2016
The metal part of the balance is 29.5" long and 3/8 dia.
the nipple is yellow. what is the best balance to get?
User submitted photos of a window balance.
Profile picture of Paul
Paul from SWISCO responded:
November 2, 2016
Thanks for posting! I think you should be okay going up to 30". A lot of older spiral balance companies used to make their balances on the 1/2", but in more recent years have stopped this practice. We find going up to the next inch works fine in these cases.
30" Series 900 Spiral Balance
30" Series 900 Spiral Balance
S900-30
$9.25
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