Set of 3 Hongdian Fountain Pen Black Nibs (Fine, Extra Fine and Bent Nib) for Black Forest 1850, 1851，6013, 517S and 517D Series

• Easy to replace the nib part by twisting it out and back. Please ensure you take out the cartridges or converter before replacing the nib.
• These nibs are not standard size, they are only compatible with Hongdian specified fountain pens suas black forest fountain pen (1850), 1851, 6013, 517S and 517D series.
• Package: 3 black nibs with section ( 1 x EF nib 0.38mm, 1 x F nib 0.5mm, 1 x Bent Nib 0.7-1.2mm)

Notice: These nibs are not standard size, they are only compatible with Hongdian specified fountain pens such as black forest fountain pen (1850), 1851, 6013, 517S and 517D series. If you are not sure whether these nibs fit your pens, please send us a message to confirm.