As the first to offer carbon fiber and titanium pens (in 1992), delta’s experimentation with unique and exciting materials is well known. Never ones to resist a challenge, delta now presents its magnesium fountain pens, a triumph of pen-making skills. Prized for its lightness and strength, magnesium is nonetheless a very hard substance requiring special tools and precautions during machining. Usually found in components of specialty, high-grade car wheels and electronic devices, you can now enjoy the merits of the metal in the delta magnesium fountain pen in opaque black or metallic grey with black rhodium accents. The magnesium fountain pen carries the amazing delta 18k gold fusion nib. Cartridge/converter fill. Delta magnesium fountain pen features: you can now enjoy the merits of the metal in the delta magnesium pens prized for its lightness and strength choose opaque black or metallic grey with black rhodium accents delta 18k gold fusion nib cartridge/converter fill.