Sakura Set of 3 Brush PensFor both technical and artistic illustrations. From very fine lines to big traces, the new Pigma Professional Brush series offer maximum versatility. These lasting brush tips respond to instant pressure or direction changes with a soft, precise and consistent ink flow. Deep black Pigma ink with archival quality. Does not bleed through the paper and it's soluble. Pigma inks by Sakura have a neuter PH once they dry.Contains three black pens:- FB- MB- BB