Extension springs are springs which absorb and store energy by offering resistance to a pulling force. Various types of ends are used to attach the extension spring to the source of the force.
![Extension springs](/wp-content/uploads/2018/03/extension-springs.jpg)
![Extension Springs](/wp-content/uploads/2018/04/2664-62x150.jpg)
![Extension Springs](/wp-content/uploads/2018/04/2656-150x125.jpg)
![Extension Springs](/wp-content/uploads/2018/04/2657-150x98.jpg)
![Extension Springs](/wp-content/uploads/2018/04/2654-150x105.jpg)
![Extension Springs](/wp-content/uploads/2018/04/2655-150x119.jpg)
![Extension Springs](/wp-content/uploads/2018/04/2653-150x100.jpg)
![Extension Springs](/wp-content/uploads/2018/04/2661-59x150.jpg)
![Extension Springs](/wp-content/uploads/2018/04/2662-64x150.jpg)
![Double Coil Extension Spring](/wp-content/uploads/2018/04/2652-150x98.jpg)
Extension springs are springs which absorb and store energy by offering resistance to a pulling force. Various types of ends are used to attach the extension spring to the source of the force.