These triple 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 springinsingle, tandem, or triple case applications. These balance weights areevenly divided. For example, if your sash weighs36 lbs, you would need three 6lb coils on each side of your sash.

• Triple Coils Sold Individually
• Weights Ranging from6 lbs to 7 lbs
• Compatible with our WRS Series 37 QuickTilt Coil Spring Window Balances
• Measures 17/32″ Thick
• Stamped for Identification