Marabu Graphix Fineliners are designed for impulsive and structured visualizations. They provide high-quality, lightfast, water-based pigment ink in a range of brilliant colors. They have metal enclosed plastic tips and caps with clips. Ideal for illustrations, sketches, original artwork and much more. The Black 4-Pen Set includes black Fineliners in .2mm, .4mm, .8m and a brush pen. The Skyline 4-Color set includes ruby red, ultramarine blue, dark green and black in .5mm nibs. The Doodle 12-Color Set includes black, dark brown, grey, dark green, yellow green, azure blue, ultramarine, plum, pink, ruby red, orange and yellow in .5mm nibs. The Hypnotize 24-Color Set includes yellow, orange, sand, ruby red, cherry red, rose pink, pink, raspberry, antique green, dark green, mint, yellow green, dark brown, light grey, grey and black in .5mm nibs.