Extension Spring (3/4 in. x 8 in.)

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Extension springs, also known as a tension spring, are helical wound coils, wrapped tightly together to create tension for certain parts of your hangar door. Extension springs usua lly have hooks, loops, or end coils that are pulled out and formed from each end of the body. Dimensions:(3/4 in x .078 in. x 8in) Show more