The Z50 F nib is designed for Lamy fountain pens (except for the 2000 and imporium models). It is made of stainless steel coated with black lacquer. The nib is available in F gradation.
Available versions:- Lamy Z50 Fountain pen nib EF black, Lamy Z50 Fountain pen nib B black, Lamy Z50 Fountain pen nib LH black, Lamy Z50 Fountain pen nib F black, Lamy Z50 Fountain pen nib M black