The castellated nut for the handbrake lever of a Citroen 11CV is a vital component of the braking system, ensuring safe operation. Specifically designed for the classic Citroen 11CV, this nut ensures the handbrake is securely fastened and performs optimally. It is made from durable materials to resist wear and corrosion. When restoring or maintaining the old Citroen, it is crucial to use this specific castellated nut to ensure the authentic function and reliability of the vehicle. A small yet essential part for any Citroen enthusiast.