Series 500 Spiral Balance

The Series 500 Spiral Balance is a popular balance that is used in both wood and aluminum non-tilt windows. This sash support system features a spiral tube balance with a cross piece. The metal tube diameter will actually measure 9/16", but it is considered 5/8" in the window trade. Spiral window balances come fully lubricated and ready to be charged.
Series 500 Spiral Balance
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12" 13" 14" 15" 16"
17" 18" 19" 20" 21"
22" 23" 24" 25" 26"
27" 28" 29" 30" 31"
32" 33" 34" 35" 36"
37" 38" 39" 40"
click here for lengths over 40"