Pitt Artist Pens with a soft brush tip can produce a line of 0.5 to 5mm. They offer odorless, permanent and waterproof inks that will not bleed
Faber-Castell PITT Artist Soft Brush Pen, Soft Brush
Faber-Castell Pitt Big Brush Artist Pens Black 199
Faber-Castell 4 x Pitt Artist Pens (Soft Brush
Artist Pens - Premium Quality Markers and Pens – tagged Art
Black Faber-Castell PITT Artist Brush Pen, Hobby Lobby
Bird Study Sketching Tutorial with Color Pencils – Faber-Castell USA
Hand Lettered Love Letter Tutorial for Valentine's Day – Faber
Faber-Castell Pitt Big Brush Artist Pen - Black
Faber-Castel Pitt Artist Brush Pens (24 Pack
Canadian Goldenrod Flower Sketching Tutorial with Polychromos
Freedom 4th of July Hand Lettering – Faber-Castell USA