rOtring Tikky Graphic Fineliner Pen with four different thicknesses, Black Ink, 4 count

0.1 mm, 0.2 mm, 0.3 mm, 0.5 mm fibre-tip pen is great for creating details Free Ink technology for a constant and consistent line quality and long usage Ink is pigmented for smooth use and water resistant for long-life drawings Ink level window shows amount of ink left in reservoir Black ink is ideal for drawing, writing and sketching