MONTEVERDE USA Ink Cartridges (G302) - 6 Pack - Green

A universal 38mm ink cartridge to fit most fountain pens that take a short universal cartridge, including CARAN D'ACHE, CARTIER, CONKLIN, DELTA, DIPLOMAT, DUNHILL, EDISON, ESTERBROOK, FABER-CASTELL, HUGO BOSS, INOXCROM, KAWECO, GRAF, LEONARDO, MONTEGRAPPA, PELIKAN, PORSCHE, OMAS, ONLINE, OTTO HUTT, PELIKAN, RETRO 51, SCHMIDT, ST DUPONT, STIPULA, WATERFORD, VISCONTI. 

Will fit MONTBLANC pens that take a universal 38mm, but some Montblanc pens are narrower and only take the Montblanc cartridge with it's small step down at the front end of the cartridge.

Not compatible with Aurora, Cross, Lamy, Namiki, Parker, Pilot, Platinum, Sailor, Sheaffer.

Insert the smaller end of the ink cartridge into the feed of the pen and push to pierce the opening. A second cartridge can often fit as a spare inside the barrel by inserting it in reverse.