Replacement Volute Spring made from High Quality Carbon Steel. 

Suitable for any tool particularly Felco type secateurs that uses a volute spring.  A volute spring is a compression spring in the form of a cone, designed so that under compression the coils are not forced against each other, this allows for varying travel.

A choice of 5 sizes for the perfect fit.

When measuring please allow for a variance of 2-3 mm order one size under if your measurement is the exact size of the spring.