The Graphik Line Painter Pens are a new range of fine liner paint pens by Derwent. Perfect for drawing, sketching, illustration and painting these paint pens offer immense depth of colour, even on dark backgrounds. The 0.5mm Japanese nib creates fluid lines which allows you to layer and dribble colour and apply washes with a water based, opaque ink. The colour is permanent when dry. Available in a range of 20 strong colours and assorted sets.