8-4 stamped on window balance. Length of Metal Channel: 9 inches. Sash Weight: 10 - 13 lbs. 1/2" Non-Tilt Window Channel Balance Spring.
61 series channel balance with hemmed edge.
***Note: Top and bottom balance ends must be ordered separately. We strongly suggest replacing the sash guides on the side of your window as well.
***Special order, allow 3 to 4 weeks to ship. Minimum order 6.
