Extension Springs
Follow this measurement guide to populate our online form:
1 Measure your spring
![1_Measure Your Spring [Extension]](https://www.marshalliance.com.au/wp-content/uploads/2021/02/1_Measure-Your-Spring-Extension-Option2-1.jpg)
2 Choose a hook type
![2_Choose hook Type [Extension]](https://www.marshalliance.com.au/wp-content/uploads/2021/02/2_Choose-hook-Type-Extension2.jpg)
4 Material and load
Specify the material type.
Load on an extension if known (kg/N)
Extension travel if know (mm)
3 Hook orientation
4 Material and load
Specify the material type.
Load on an extension if known (kg/N)
Extension travel if know (mm)
Extension Spring Specification
