When accuracy, minute details and preservation count, the unparalleled archival quality of Pigma Micron pens makes them everyone's first choice. Artist, writers and illustrators reach for Pigma Micron and know their work is safeguarded with the permanence of Pigma ink. Experience smooth, skip-free writing and crisp ink colors that leave consistent lettering and lines every time. It has achieved universal appeal and is carried by technical professionals, artists and crafters alike anthropologists, entomologists, scientists, research laboratories, archivists, architects, professional diamond cutters, cartoonists, manga and anime artists, illustrators, heirloom quilters and decorative fabric artists. Features archival quality ink for use in acid-free environments, chemically stable, waterproof, fade resistant, no smears, feathers or bleed-through on most papers. Applicable for graphic art, scrapbook, archival recording, Pen and ink illustrations, freehand art, rubber stamps, cartooning and fabric design. Technical qualities are archival quality Pigma ink, no smear or feather when dry, waterproof and chemical proof, fade resistant, does not bleed through most papers, meets ASTM and ACMI nontoxicity standard and not evaluated for cosmetic use on skin. 003 nib size for precise line width is 0.15mm; 005 nib size for precise line width is 0.20mm. Pigma Micron 003/005 4Pc set contains: 1 ea 003 black, 1 ea 003 sepia; 1 ea 005 black, 1 ea 005 sepia.High-Quality, Every Time: Our Japanese quality Sakura pens deliver professional results. Create Freely: Pigma Micron pens use color from single pigments for color consistency, every time. Archival Quality: Sakura Micron Pen ink is waterproof, fade resistant, bleed free, quick drying, and pH neutral. Assorted Delicate Point Sizes: Contains 1 003 black Micron pen, 1 003 brown pen, 1 005 black pen, and 1 005 brown pen; extra thin point sizes. The Go-To Tool for Art, Work & Play: Black and brown pens create precise marks that stand the test of time.Recommended Uses For Product: Drawing. Point Type: Micro. Number of Items: 4. Ink Color: Black. Brand: SAKURA. Date First Available: January 10, 2017. Best Sellers Rank: #10,174 in Arts, Crafts & Sewing. Customer Reviews: 4.6 4.6 out of 5 stars 1,196 ratings 4.6 out of 5 stars. : B01NH5877O. Manufacturer Part Number: ?50047. Ink Color: ?Black. Line Size: ?0.2 millimeters. Point Type: ?Micro. Size: ?4 Count. Number of Items: ?4. Material Type: ?Rubber. Closure: ?Push Button. Color: ?Black/Sepia. Is Discontinued By Manufacturer: ?No. Item model number: ?50047. Product Dimensions: ?7 x 3.5 x 0.6 inches. Item Weight: ?1.41 ounces. Brand: ?SAKURA. Manufacturer: ?Sakura.