Gravitas - Monster No. 8 Nib Unit | Silver - Black PvD

Gravitas spare steel nib unit - size 8 fitting the Gravitas Monster and Piston models. In silver color or black pvd, available in : Extra Fine, Fine, Medium and Broad. Each nib is paired with a ebonite feeder and comes pre installed with the white oring at the base and black gasket at the top - offering a simple solution to upgrade or replace the nib on your Piston or Monster models.