WRS Series 37 Tandem Coil Spring - 5 to 9 lbs - 5 lbs (Stamp - 5FE)

These tandem coil springs are compatible with our WRS Series 37 QuickTilt Coil Spring Window Balances. The 37 Series is a standard coil spring window balance. This balance is designed for residential window applications. These balances feature a 17/32" coil spring in single, tandem, or triple case applications. These balance weights are evenly divided. For example, if your sash weighs 16 lbs, you would need two 4 lb coils on each side of your sash. Tandem Coils Sold Individually Weights Ranging