Scroll down to view the colours available in this pack of 30

just pull out the old one and push the new one in

123 numbered 100 g/m² pages

FLUX Industrial Marking Ink FX

allowing you to refine your lines and correct details with ease

uni pin fine line brush pen Colors:Dark Grey Scroll down to view theThe Uni Pin Fine Line Brush Pen gives artists, illustrators, and designers a tool that combines precision with expression. Filled with uni balls fade proof, water resistant Super Ink, it delivers bold, pigment rich lines that hold up beautifully, even when used alongside watercolours. That means you can layer washes over your drawings without fear of smudging. What sets this pen apart is its flexible brush tip. It responds effortlessly to pressure,