Variable Torsion Spring, 2" x .207 x 19" to 25". Right Wind. Lifts 71-95 lbs. on a 7' High Door.
$112.58
The same variable spring is suitable for 8-foot high doors weighing 79 to 90 pounds. Rated at an estimated 10,000 to 19,000 cycles.
NOTE: PATENT PENDING.
***Please allow 4 to 6 weeks for delivery as we endeavor to provide the highest quality products.***