They stretch to provide lifting power for the garage door.
Garage door springs 120 lbs.
Garage door extension spring 8 door.
I bought 2 of them they were listed separately and they were shipped from two different states.
Couldn t find 120 lb springs locally and bought these used like new springs by warehouse deals.
Add to wish list.
First our garage door springs are for sectional garage door with two extension springs.
Extension springs 2 pack are the everbuilt 110 lbs.
However the pulleys on the garage door reduce the amount of weight carried by the extension spring so the extension spring really only has to lift half of its weight in this case 50 pounds.
The strogest we have is the sk7159 180 lb.
120 lbs green garage door extension spring used like new good replacement for my old stretched ready to fail springs.
Home garage door springs extension garage door springs 8 ft.
The everbuilt 110 lbs.
Replacement garage door extension spring.
This is why two 100 pound extension springs are needed to lift a 100 pound garage door.
Extension springs 2 pack are made of spring steel and designed to be mounted perpendicular above the horizontal track of the garage door.
If your door is 200 lb you need two 200 lb springs.
Green extension spring 25 90.
Garage door extension spring 7 door.
Green extension spring 8 ft.