Elevate your writing experience with S.T. Dupont’s medium black roller refills, designed to fit a variety of models including Olympio, Defi, Libert, No-classique large, Classique 2, D.Link/Caprice, Fidelio, Ellipsis, Montparnasse, Gatsby, Line D, and Mon Dupont by Karl Lagerfeld. Each refill is sold individually, providing you with a reliable ink source for smooth and effortless writing. Crafted for quality and consistency, these rollerball refills offer a luxurious feel and precise control, making them ideal for everyday use or special occasions. Keep your S.T. Dupont pen performing at its best with these essential refills.