Non-Tilt Window Balance | Spiral Window Balance Replacement FM
Non-Tilt Window Balance | FM Spiral Window Balance The FM is a Non-Tilt style Spiral Balance with a red bushing at its tip. Spiral rod. This balance is 3/8 inches in diameter. It is weight adjustable when it is charged or wound up using the H3788 Tensioning Tool (sold separately). 3/8 inches Diameter 1 per pkg Red Bearing Two small Studs installed at the end of the Spiral rod, one above the other Adjustable Weight Range Used by Many Window Manufacturers Length Specifications: FM10 10" Long Red Bearing are for sashes weighing up to 22 lbs. FM11 11" Long Red Bearing are for sashes weighing up to 22 lbs. FM12 12" Long Red Bearing are for sashes weighing up to 22 lbs. FM13 13" Long Red Bearing are for sashes weighing up to 22 lbs. FM14 14" Long Red Bearing are for sashes weighing up to 22 lbs. FM15 15" Long Red Bearing are for sashes weighing up to 22 lbs. FM16 16" Long Red Bearing are for sashes weighing up to 22 lbs. FM17 17" Long Red Bearing are for sashes weighing up to 2