Parker 45 Fountain Pen Nib Assemblies, Feeds + Collars flat This model features a 2

This model features a 2

Can also be used as a ballpoint

This is a new old stock replacement part

Idea 4 (and this is the most helpful)

To use the MB 146/149 end

Parker 45 Fountain Pen Nib Assemblies, Feeds + Collars flat This model features a 2Nibs Assemblies are available in 14k, gold plated or steel. (Includes feed + collar). Feed only is available. All are the same. Collars only are availed with Grade Letter or unmarked. All Parker 45 collars are the same and preform the same function. The letters are irrelevant, but some people like having the letter that corresponds to their nib grade. A few unique nib feed units available