The Namiki ink cartridge in blue-black from the brand Pilot is a high-quality replacement cartridge specifically designed for the IC-100 fountain pen. This cartridge provides a smooth and fluid ink flow, allowing for a pleasant writing experience. It is compatible with the Capless model and ensures a seamless writing experience. Each pack contains 12 cartridges, ensuring long-term use and reducing the need for frequent repurchases. The blue-black ink offers an appealing writing color suitable for both everyday use and special occasions. Made in Japan, the cartridge stands for quality and reliability. The cartridge type designation is IC-100-LB, making it easy for users to identify and select. This ink cartridge is ideal for anyone who values precise and stylish writing.