Pigma Micron fineliner set Broad | 3 pens, 0.5 mm + 0.6 mm + 0.7 mm, black | Royal Talens
Amazon.com: SAKURA Pigma Micron Fineliner Pens - Archival Black and Colored Ink Pens - Pens for Writing, Drawing, or Journaling - Black and Assorted Colored Ink - 01 Point Size - 6 Pack