Variable Torsion Spring, 2" x .225 x 23" to 29". Left Wind. Lifts 92-118 lbs. on a 7' High Door.
$148.97
The same variable spring is suitable for 8-foot high doors weighing 103 to 116 pounds. Rated at an estimated 11,000 to 17,000 cycles.
NOTE: PATENT PENDING.
***Please allow 4 to 6 weeks for delivery as we endeavor to provide the highest quality products.***