uni Pin markers are loved by artists and professionals around the world. Particularly suitable for drawing, illustration and design, this versatile marker features Super Ink technology, which provides high intensity, depth and water resistance without bleed-through. The tip is supported and protected by steel, meaning PIN drawing pens are durable and will not be damaged by the use of stencils. The pigment ink dries quickly for smear-free erasing while inking over drawings. Available in a range of eleven tips including 0.03mm, 0.05mm, 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0 .7mm, 0.8mm and brush tip.