This product features: Archival-Quality “Super Ink”: Features fade-proof, water-resistant, and tamper-resistant pigment ink. Lines won’t smudge, run, or muddy the water when used alongside watercolors or markers. Steel-Protected Tip: The fine point is encased in metal, protecting it from damage and making it highly durable, even when used with heavy stencils or rulers. No Bleed-Through: Designed not to bleed through standard paper, making it perfect for sketching and bullet journaling. Extensive Size Range: Available in a wide variety of exact line widths, ranging from an ultra-fine 0.03 mm to a bold 1.2 mm, alongside flexible brush tip options.

