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Variable Torsion Spring 2" ID, .250 Wire, 28" to 34" Long. Left wind. Lifts 131 to 160 pound doors with standard 4" diameter drums on a 7-foot high door. The estimated cycle count ranges from 10,000 to 23,000. For specific cycles, please visit Find My Spring Database™ program.
The same variable spring is suitable for 8-foot high doors weighing 146 to 158 pounds. Rated at an estimated 10,000 to 13,000 cycles.
NOTE: PATENT PENDING.
***Please allow 4 to 6 weeks for delivery as we endeavor to provide the highest quality products.***
Variable Torsion Spring, 2" x .250 x 28" to 34". Left Wind. Lifts 131-160 lbs. on a 7' High Door.
$186.97
The same variable spring is suitable for 8-foot high doors weighing 146 to 158 pounds. Rated at an estimated 10,000 to 13,000 cycles.
NOTE: PATENT PENDING.
***Please allow 4 to 6 weeks for delivery as we endeavor to provide the highest quality products.***
Variable Torsion Spring, 2" x .250 x 28" to 34". Left Wind. Lifts 131-160 lbs. on a 7' High Door.
$186.97