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.