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SKU:78393735
WARNING: Torsion springs, extension springs, and related door hardware can cause serious injury or death if not handled and installed properly. Professional installation is recommended. Do NOT attempt to install springs or hardware yourself unless you have the proper tools, reasonable mechanical aptitude and experience, and upper arm strength. Read and understand all instructions before you begin work. Extension and torsion springs, along with attached hardware, are under extreme tension at all times. All tension must be released from springs before any work is performed.
Torsion springs are black coated, corrosion resistant, oil tempered and made in the U.S.A.
Includes pair of springs(left and right), nylon bushing and winding bars
Springs come with a 3 year limited warranty
2/11/21 Pair .243 x 1-3/4" ID x 34" -- Installed 12/2020. Used on heavier wood sectional roll-up door. Works as it did before the one old original 35 year old spring broke. They included 18" winding bars but as tension is so high we instead used longer bars bought at the home center. Wound to about 35 quarter turns for this heavy 7' door, but could use a few more turns. Working well for over a month now.