This FL series spiral tilt balance is constructed of a mill-finished metal tube measuring 3/8 in. in diameter. The red-colored nylon bushings of these spiral tilt balances indicate their spring weight is for sash of medium weight. These spiral balances are used on vinyl single hung tilt windows.
- Medium spring weight of this spiral balance is denoted by its red-colored nylon bushing
- Tube dimensions of this balances measures 3/8 in. in diameter by 21 in. in length
- Spiral balances are sold separately
- These spiral balances are used on vinyl single hung tilt windows