Montegrappa

Montegrappa is an Italian maker of fountain, ballpoint, and rollerball pens. Their fountain pens take a standard international cartridge or piston converter. They also have longer cartridges of unknown length. Their ballpoint pens take their own branded Parker style G2 refills or D1 refills. Any G2 or D1 will fit those pens. Their rollerball pens take their own branded long capless, capless, short capless, or standard ceramic rollerball refills. Schmidt 888, 5888, P8126, 8126, and mini 8126 refills should also fit their pens.

Manufacturer’s Website: Montegrappa