2020 Number on Balance 8-12 lbs Sash Wt. 60-202

2020 Stamped on Window Balance. 21" Length of Metal Channel. Sash Weight: 8-12 lbs. 1/2" x 1/2" Non-tilt window balance.
***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.