Set of 3 Hongdian Fountain Pen Golden Trim 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 cartridge or converter before replacing the nib.
• These nibs are not standard size, they are only compatible with Hongdian specified fountain pens such black forest fountain pen (1850), silver birch,1851, 6013, 517S and 517D series.
• Package: 3 PCS Golden Trim nibs with section ( 1 x EF nib 0.38mm, 1 x F nib 0.5mm, 1 x Bent Nib 0.7-1.2mm )

Note: These nibs are not standard size, they are only compatible with Hongdian specified fountain pens such as Black Forest fountain pens (1850), 1851, 6013, 517S and 517D series. If you are not sure if these springs will fit your pens, please send us a message to confirme.