The uni-ball PIN is an excellent pen for artists. The fineliners contain fade-proof Super Ink so creations will last the test of time. Featuring a fine tip delivering a solid pigment ink line that is clean and precise. The ink is water-resistant too so the drawing pens can be used with watercolour and will not smudge when wet. This three-pen pack is an excellent introduction to the core PIN nib sizes, containging a slender 0.1 nib, a fine 0.3 nib and a defined 0.5 nib. All nibs are excellent for artistic techniques such as shading, stippling, layering and hatching. Supplied in a blister pack of 3 pens in fully biodegradable packaging.