2475 Number on Balance 36-39 lbs Sash Wt. 60-2475

2475 Non-Tilt window balance.  25" channel balance length. Sash weight 36-39 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.