Make your mark with these fine writing pens. Perfect for technical drawing, sketching or illustration, as well as everyday writing, each pen brings your work to life in brilliant hues. Non-toxic and blur-resistant ink, these pens also boast a metal reinforced collar nib, making them suitable for ruler work without causing damage to the nib itself. The 0.4mm fine tip lets you add intricate details, making these pens ideal for outlining, hatching or decorative lettering. Experience smooth, controlled lines for delicate designs and sharp, precise artwork. The water-based ink provides, even coverage with every stroke.