A classic for beautiful writing. The ballpoint pen is not just a constant companion in everyday work life. It is used to jot down information and capture thoughts. Therefore, it is quite annoying when it no longer writes efficiently. With the replacement cartridge from Caran d'Ache, you ensure smooth operation. It can be quickly installed, preventing unnecessarily long interruptions. Additionally, it allows the pen to be used longer, saving money and helping the environment. The device works with concentrated ink paste, leading to optimal results. With the ball as the tip, this product becomes a true classic that is durable and suitable for extensive writing. Another highlight is the vibrant green used here. Is your pen already used up? Ensure hassle-free writing with the replacement cartridge from Caran d'Ache.