Love to express yourself through creativity? The uni-ball PIN is the perfect fine line pen for sensitive art design and journaling. The uni-ball PIN is the pros choice. An excellent artist pen it contains fade proof and water resistant Super Ink - great as you want your creations to last. Its solid pigment ink line is clear clean and precise which is why the PIN is loved by professional artists and illustrators graphic artists and architects. The ink is water resistant too so the pens can be used with watercolour and will not smudge when wet. Its choice of black PIN nib sizes from delicate 0.03 to a heavy 1.2 plus expressive brush and chisel tips means you can create several line widths with your PIN. This enables you to master a range of techniques including fine line drawing and hand lettering.This artist pen pack contains five black fine tip pens ranging in nib size from a very fine 01.mm to thicker 0.8mm nib. The 0.1 nib creates strong slender line the 0.2 and 0.3 make clear precise marks while the robust 0.5 tip is ideal for definitions and the 0.8 is excellent for heavy outlines and colour blocking. All nibs are great when shading stippling layering and hatching.