sprial balance 29.5 inch long

Question

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.

Paul · Accepted Answer

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.