The Converter from Diplomat turns a cartridge pen into a plunger pen and is for the filling of fountain pens from the glass.
Turns a cartridge pen into a plunger fountain pen.
For all Diplomat cartridge fountain pens and many other brands.
The Converter from Diplomat turns a cartridge pen into a plunger pen and is for the filling of fountain pens from the glass.
Turns a cartridge pen into a plunger fountain pen.
For all Diplomat cartridge fountain pens and many other brands.