10 or 24 New Geniune Leonardt fine dip pen nibs plus box or 5 in a tube The best-selling nib from Leonardt, the EF Principal is an extra-fine flexible nib suitable for both Copperplate and Spencerian writing styles. In bronze finish for better rust resistance and durability. Can be used with any dip pen with a ‘universal’ ferrule, and oblique holders with a metal flange. There are 3 options: 10 nibs supplied in a hinged Victorian-style nib tin. The nibs are also in a sealed bag to protect against damp. 24 nibs in a tin as above 5 nibs in a 5 ml ink sample tube - ideal for mixing inks.