Pack consisting of 7 high-resistance water-based black ink pens with different thicknesses
4 black pens, high precision, with 0.1 / 0.3 / 0.5 and 0.7 mm metal tip
3 black pens, high pigmentation, suitable for drawing on silver or gold inks, waterproof and with the following tips: 1.0 mm fiber, 1-3 mm brush tip and calligraphy tip.
