For a dynamic handwriting that impresses. The rollerball is not just a constant companion in everyday work life. It helps jot down information and capture thoughts. Therefore, it is quite annoying when it no longer functions effectively. With the replacement cartridge from Caran d'Ache, you can ensure worry-free work. It is easy to install, saving you from unnecessarily long breaks. Additionally, it allows the pen to be used longer, which saves money and is better for the environment. Create lines of varying thicknesses with the conical tip. Furthermore, the color black is used here. Is your pen already used up? Ensure a smooth supply with the replacement cartridge from Caran d'Ache.