Owfeel 5-Piece Comic Pro Professional Drawing Kit Tools Set Anime Nib Tools Can be used for outline resilient with 5 different pen for your various needs. Can be used for soft contour lines or hard contour lines by the strength and pen pressure. Ink absorbability well, no smears, feathers or bleed-through on most papers. Professional drawing set of 5-piece anime nib with holder. Size of the nib holder: Diameter: 1.2cm Length: 15cm.