Features:

• Multiple sizes: 8 nip sizes: 0.05mm,0.1mm,0.2mm,0.3mm,0.4mm,0.5mm,0.6mm,0.8mm and 1 brush tip (1 mm). Archival acid-free ink is smear-resistant, water-resistant, and fade-resistant, super smooth in most areas. Fineliner pens for writing, sketching, and drawing. they don't bleed through the paper, they can achieve excellent line quality. Suitable for all uses including technical...
• Technical Drawing - Mapping - Sketching - Mandela - Zentangle Graphic Micron Fine Liners Pens Black Ink Waterproof Pen 0.05, 0.1, 0.3, 0.4, 0.5, 0.6, 0.8mm and Brush set of 9