Series 400 Spiral Balance

This is the SWISCO Series 400 Spiral Balance for aluminum non-tilt windows. When determining length, only measure the metal tube.

The tube measures 3/8" in diameter and houses an internal spiral rod with cross-piece. Spiral window balances come fully lubricated and ready to be charged.
Series 400 Spiral Balance
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11" 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"
click here for lengths over 37"