Hemmed Channel Balance 61-263

61 Series Caldwell Window Balance. 26-3 Number stamped on balance. 
27" Length of Metal Hemmed channel balance
Sash weight: 13 To 19 lbs.
For non-tilt windows. Also stamped 26 3 Caldwell. 
Note: Top and bottom balance end brackets must be selected. See diagram for reference. End brackets will be attached to balances.