MyLifeUNIT Technical Fineliner Pens, Professional Sketch Drawing Pen, Pack of 7 Assorted Tip Sizes (Black Ink) Set of 7 needle drafting pens, black ink This set of 7 Black Fineliners includes a 005 (0.20mm), 01 (0.25mm), 02 (0.3mm), 03 (0.35mm), 04 (0.4mm), 05 (0.45mm) and 08 (0.5mm) Water-resistant, lightfast ink Long, metal-clad tip, especially suitable for use with rulers and stencils For use in the Silhouette, professional in areas of manga, graphic, design and illustration. Unique liquid ink formula maintains consistent flowing strokes, manufactured using the highest quality parts