A 18mm exchange applicator delivered in pack of two for:

1 x 238 grey blue dark

Coloration: Mass-dyed natural sand — acid-free

Perfect for refilling Grog markers with a pink label

or just want a refillable pen that handles custom inks

uni pin fine line pen dark grey Size:0.5 A 18mm exchange applicator deliveredThe Uni Pin Fine Line Dark Grey gives a muted charcoal tone rather than flat black, useful for cross hatching, shading textures, or any secondary linework meant to sit visually behind a darker main line without competing with it for contrast. The tip is a steel guided polyacetal core, holding a consistent monoline weight regardless of how fast you're writing or drawing. The ink is uni ball's "Super Ink" pigment formula, archival and waterproof once