Series 306 Spiral Balance

The series 306 sash support system features a spiral tube balance with an attached 15-066 metal shoe, for a non-tilt window. The tube has a 3/8" diameter. Spiral window balances come fully lubricated and ready to be charged.

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15" 16" 17" 18" 19" 20" 21" 22" 23" 24" 25" 26" 27" 28" 29" 30" 31" 32" 33" click here for lengths over 33"