Our renowned #6 stainless steel flex nibs are compatible with pens that use #6 JoWo nib units. Offering a precise 0.4mm line on the fine end and flexing to a bold 2.0mm, these nibs provide versatility for any writing style. Crafted with premium German-made tipping material for smooth performance, the nib delivers a softer, more responsive flex for an exceptional writing experience.