PRIME-LINE FJ 3130 31 in. x 9/16 in. Spiral Non-Tilt Balance, Blue Tip (Single

This is a non-tilt style spiral balance with a red bushing at its tip. It has a bow tie shaped device installed in the end of the spiral rod. The bow tie engages a balance foot that has been installed on the bottom edge of the window (vent) with a dual hook protruding out from the corner for the bow tie to engage. Often used on wood windows, but may be found on others as well. This balance is 31 in. long and 9/16 in. in diameter. It is charged or wound up using the Prime-Line part H 3788 Tensioning Tool.

Can be used on vinyl hung tilt windows

Blue colored nylon bushing indicates medium spring weight

Adjustable weight range

31 in. length and 9/16 in. diameter

Maximum weight rating is 35 lbs.

Spiral balance clips are sold separately

Prime-Line part H-3788 non-tilt balance tension tool can be ordered separately

For further dimensional information, please see the line drawing