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There are many purposes for extension springs in our everyday world. From being in our cars that drive us around every day, to the farm machinery that produces our food. Extension springs come in all shapes and sizes with an array of loops and eyes to fasten onto both ends, requiring the need for an extension in some form. Long tension springs used in automotive, instrument, electrical equipment, household appliances, furniture, mechanical equipment, daily living equipment, electronic sports equipment, light industry products, sanitation machinery.
Mechanical Extension Springs
The most common exercise equipment for stretch springs is a chest expander. To use a chest expander, you pull the two handles together, which stretches the spring as far as you need to stretch, and then when you release the tension, the spring will use all of its energy to pull itself back into its normal position.
Great for househould use, install the extension on to your window.Then the spring will automatically need to retract back to its normal position, this causes the glass to swing closed after use.
Spring for Door Screen
Use extension springs to help the gate close back over once it has been opened. This mechanism saves the gate having to be manually closed when entering the gate.
Wayne Gentry
Reviewed in the United States on January 31, 2025
Fit correctly
Alex
Reviewed in the United States on January 20, 2025
Was going use on 4' cattle gate. Doesn't have any tension at all. Might work on something very light but not useful.
Cheryl
Reviewed in the United States on September 5, 2024
I got tired of people leaving the porch door opened, it would not close on it's own. I put one of these springs on the door and it closes now, and it does not slam shut. The quality of it is very good!
brian washburn
Reviewed in the United States on August 2, 2024
Love them. Light weight but strong
Lonnie Forester
Reviewed in the United States on December 11, 2024
These springs are too weak for a screen door.
Larry H
Reviewed in the United States on November 28, 2024
Needed long weak springs for temp door closers. worked as expected.Thanks
Rob
Reviewed in the United States on November 10, 2024
And sproingy
Wildlife
Reviewed in the United States on April 26, 2024
I use these to better control longer extension cord slack on a rolling hoist Works good.
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