Starting Clamp Replacement Spring

It seems that 2/91 and 5/91 are manufacturer-specific part numbers, from Felco, to indicate which of their tools the springs are meant for.
The important details you need are what the free length of the spring and the compressed length of the spring are. The external diameter of the spring at its center and the internal diameter of the spring at each end would also be useful.

If you want to learn more, please visit our website HEGONG SPRING.

Contact us to discuss your requirements of volute spring. Our experienced sales team can help you identify the options that best suit your needs.

If you are looking for more details, kindly visit conical spring manufacturer.