The Esterbrook MV Nib Adapter ("Modern to Vintage") allows the use of original vintage Esterbrook nibs in your modern Estie fountain pen, just screw in your pen, put your nib in place, attach the cartridge or converter and you are good to write! Comes with Converter. vintage esterbrook nibs sold separately.
Please note: Fits Standard and Oversized Estie model Esterbrook only. Does not fit Camden or JR series.