A set of five Uni Pin Fine Line pens in the sizes: 0.03, 0.05, 0.1, .02, 0.3, 0.4, 0.5 x2, 0.6, 0.7, 0.8 + BR . All Uni Pin Fine-liners is filled with black fade and water proof pigment ink. Perfect for illustrations or detailed sketches and drawings.