The Uni Pin Fineliner Pen features a firm and precise tip with fade-proof and water resistant pigment ink. This pen is perfect for artists and designers looking for a smooth, consistent line. Fade-proof and water resistant pigment ink Felt tip with steel collar Tip sizes: 0.03, 0.05, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.2, Brush Also available in for writing in For Pro Also available in Black