These fine line pigment pens feature permanent, lightfast, waterproof black ink that is perfectly suited for art, writing, sketching, and drawing projects. The opaque, archival and acid-free ink dries quick and smear-free for beautiful results. A favorite among fine detail-oriented illustrators and drafters, the pens' long metal tips are ideal for use with rulers and templates. This set of liner pens offers 4 different line widths including 0.1, 0.3, 0.5 and 0.7 mm.
