PITT Brush pens are famous for combining a modern brush nib design with traditional India ink. The ink is odourless, permanent, waterproof and lightfast. The durable nib gives the freedom to create broad, medium or narrow brush strokes with an even application of colour. This set contains six pens in a range of sizes - 0.05, 0.1, 0.3, 0.5, 0.7 & 1.5