Schmidt: 6040 Fineliner Rollerball Refill, Blue Ink, Pack of 4. Used by Some Rollerball: Cartier (Must 2, Diabolo, Pasha, Louis, Trinity, Roadster), Dunhill, Delta, Diplomat, Hysek, Lalex, Marlen, Montegrappa (Micra), Michel Perchin, Omas, Recife, Retro 51 (Tornado). Length: 110,6mm, Diameter: 6,3mm. Tip Diameter: 1mm. Output / EWIMA: 500 m  30 % Rear Cap at the Ink Colour.