モンテベルデ USA® コア ミッドナイトブラック 30ml 万年筆インクボトル

Monteverde USA is proud to have created the world’s latest leading European ink treatment formula (ITF). Enjoy peak performance with ITF which drastically improves ink-flow quality, extends cap-off time, and lubricates and protects the ink feeding systems from corrosion and clogging. Our inks are available in a variety of vibrant colors.