Another pen from Copic which can be used for technical drawing, sketching, drafting, design or writing. For accurate and defined drawings the nibs have a solid metal casing which ensure a precise line. Like the standard Copic Multi Liner the black ink is resistant to UV light, is both smudge and waterproof and is bleed proof if used with alcohol-based pens. This range of pens is available in 10 nib sizes including 1 brush tip pen and an ultra fine 0.03mm nib. Nib sizes 0.25, 0.35, 0.5 and 0.7mm conform to ISO standards. Price per pen.