The Gravitas steel nib unit is laser engraved with the Gravitas logo and delivers a smooth and reliable writing experience with consistent ink flow. Made from durable stainless steel, the nib is paired with an ABS plastic feeder for optimal performance. Designed to fit Gravitas fountain pens the shape and thread profile is corresponding to the Jowo generic size 6 steel nib units.

This nib unit is easy to install, perfect for those seeking an upgrade or replacement.