Staedtler Pigment Liner Bonus Sketch， Set of 6 Liners， (308SB6P) Pigment liner bonus sketch set of 6 line widths (0.05mm， 0.1mm， 0.2mm， 0.3mm， 0.5mm， 0.8mm) 4+2 free pack in stand up easel case Lightfast waterproof smear free ink Long write out length Polypropylene barrel for long life and long metal tip Product Description Pigment Liner bonus sketch set of 6 liners- 4 + 2 free pack. Widths: 0.05， 0.1， 0.2， 0.3， 0.5， 0.8 mm. Excellent for writing， sketching & drawing. Lightfast， waterproof， quick-drying smear free pigment ink. Long metal tip for use w/rulers & templates.