Black Fineliner Micron Pen - 005These are ideal for add highlights to your artwork or for zentangling. Micron pens are made by Sakura and are 25 years in the making. They have a permanent, archival quality ink. It is also waterproof and suitable for acid-free aplications. 005 nib size is 0.20mm in size and the finest of the nib sizes that we stock. One pen supplied.