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Variable Torsion Spring 2" ID, .218 Wire, 22" to 28" Long. Left wind. Lifts 83 to 107 pound doors with standard 4" diameter drums on a 7-foot high door. The estimated cycle count ranges from 10,000 to 34,000. For specific cycles, please visit Find My Spring Database™ program.
The same variable spring is suitable for 8-foot high doors weighing 93 to 108 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.***
Variable Torsion Spring, 2" x .218 x 22" to 29". Left Wind. Lifts 83-107 lbs. on a 7' High Door.
$137.49
The same variable spring is suitable for 8-foot high doors weighing 93 to 108 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.***
Variable Torsion Spring, 2" x .218 x 22" to 29". Left Wind. Lifts 83-107 lbs. on a 7' High Door.
$137.49