The Tombow ABT PRO dual marker pens is a developed together professional for professional use. The marker pen features two tips i.e. a broad chisel tip or broad marking and fine brush tip for creating lines with various thickness. The brush tip is made from nylon which makes it very flexible and durable. You can easily control this pen to get extreme precision. The alcohol-based ink provides a strong and streak-free coverage by repeatedly applying the paint. Layering the ink can create effects, depth and shadows and intensify colours. It is ideal for illustration, comic drawing, sketches, architecture and many other areas. The collection has in total 107 vivid colours.