These superfine technical illustration pens feature
Sakura Pigma Micron Pens (7/set) – Pencil Box Factory
Sakura Pigma Micron Ultra-fine Colored Pen005 (0.20mm) / Brown
SAKURA Gray PIGMA Micron Set 10, 8 Pens (50167) : : Home
Speedball Elegant Writer Calligraphy Set - Special Occasion - 4 Piece
Sakura Pigma Micron Gray & Black Set of 10
Sakura Pigma Micron Assorted Color Brush Tip Set of 6 Colors
PEN-MICRON PIGMA .005/SET – Precept
These fine-point pens feature waterproof, quick drying pigmented ink for permanency and true color reproduction. Use for graphics, drafting, illustration or accounting. Experience smooth, skip-free writing and crisp ink colors that leave consistent lettering and lines every time. The archival ink is acid-free, chemically stable and fade resistant. It does not smear, feather or bleed-through on most papers.
Pigma Micron Pen Set
An archival expression that will last a lifetime! Permanent Archival Pigma Ink Pigma pens feature quick-drying pigmented ink that is waterproof, archival, fade-resistant, and will not smear or feather once dry. Pigma ink is obtained from a single pigment to ensure color uniformity and is resistant to sunlight and UV light damage.
Sakura Pigma Ink Gift Set - 73 Pen Set