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...