Amazon.com: Sakura Pigma Micron pen 005 Black ink marker felt tip pen, Archival pigment ink, fine point for artist drawing pens - 8 pen set
Sakura Pigma Micron pen 005 Blue ink marker felt tip pen, Archival pigment ink pens, 0.20mm line-width fine point for artist, technical drawing pens - 8 pack of Micron 005 blue - Walmart.com