Variable Torsion Spring, 2" x .243 x 27" to 33". Right Wind. Lifts 119-147 lbs. on a 7' High Door.
$177.97
The same variable spring is suitable for 8-foot high doors weighing 133 to 147 pounds. Rated at an estimated 10,000 to 14,000 cycles.
NOTE: PATENT PENDING.
***Please allow 4 to 6 weeks for delivery as we endeavor to provide the highest quality products.***