UNI-BALL POSCA MARKER PEN PC-3M - BLACK - 3 PACK OF PENS Posca PC-3M Paint Pens produce a line width of 1.3mm making them ideal for more precise work Posca Pens contain water-based pigment ink Can be used on various surfaces including canvas, wood, glass, metal, plastic and paper Rounded bullet nib - perfect for drawing Black Pack of 3 Pens