Achieve controlled, consistent, smooth fluid lines for drawing, writing, illustration, and crafting with this Studio Series Micro-Line Pen Set! Includes six different pens with black pigment ink in a convenient reusable storage case. Set includes:

6 fine-line pens.
Sizes: 005, 01, 02, 03, 04, 05.
Archival-quality black pigment ink.
Waterproof.
Fade-proof.
No bleed-through
Transparent case measures 4 inches wide by 7 inches high.