Sheaffer Vac/Plunge fill Blind Cap Rod End Nut.

These are Genuine Sheaffer End cap Locking Nuts, some cleaning and polishing may be required.

These are used to lock the plunge rod into the end cap, when

the aluminium internal screw unit is used.

The second photo shows the Nut in place.

The Rod, Aluminium Retaining Nut and End Cap are shown for usage  

only and NOT included in the sale.