Series 145 Coil Balance

The Series 145 Coil Spring Balance measures 1/2" wide and 38-1/2" long. This coil is for side-load sash balance systems used in non-tilt windows. Coil spring balances are also known as constant force balances. The proper weight for the balance can be found printed on the end of the coil.
Series 145 Coil Balance
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2 lb 3 lb 4 lb 5 lb 6 lb
7 lb
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