Prime-Line H 3580 Window Sash Balance 10 LBS Replacement for Double Hung Windows

This is a sash balance used on both single and double hung wood windows. Used to replace an existing or update an old pulley and weight counter balance for a window 10 lbs. or less.  Highlights: Aircraft cable lifters Maximum weight rating of 10 lbs Used on wood single or double hung windows Coil spring retraction Stee

This is a sash balance used on both single and double hung wood windows. Used to replace an existing or update an old pulley and weight counter balance for a window 10 lbs. or less. 

Highlights:

• Aircraft cable lifters
• Maximum weight rating of 10 lbs
• Used on wood single or double hung windows
• Coil spring retraction
• Steel construction with steel cables
• Requires a 3-1/4 inch x 6-3/8 inch opening to install
• Will replace Duplex, Fabco, Preset and Superior sash balances
• If your windows (sashes), are having problems staying up when opened, it may be that your sash balances or hardware needs to be replaced
• The sash balances hold the weight of the window pane, over time, the springs can wear out or fail
• Replace your sash balance for a smoother operation of your window and allow fresh air to enter your home with a window that stays open

Specifications

MFR: H 3580 SKU: 12615612 UPC: 049793035806 Brand: Prime Line Length: 8 Width: 4 Height: 2