Montblanc Writing Instrument StarWalker UltraBlack Doue Fountain Pen 126364. The StarWalker collection is about walking amidst the stars. It\'s about exploring the cosmos and foreign galaxies, about being part of one of the most mysterious and powerful of human kind’s adventures: space exploration. The StarWalker UltraBlack collection depicts the depth of space from the matte black precious resin to the black ruthenium-coated cap and fittings. The patented StarWalker emblem technology features the floating Montblanc emblem in a translucent dome. The fountain pen is hand-crafted with a black ruthenium-coated Au585 /14 K gold nib.