UNI-BALL POSCA MARKER PEN PC-5M - BLACK - PACK OF 3 PENS Posca PC-5M Paint Pens produce a line width of 1.8mm - 2.5mm 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 Pack of 3 Black