Multiliner SP inking pens are pigment based, and provide the highest quality for all your inking needs. Ink cartridges and replacement nibs are available so you never need to throw these durable aluminum bodied pens away. This set contains all 10 Multiliner SP sizes: 0.03mm, 0.05mm, 0.1mm, 0.2mm, 0.25mm, 0.3mm, 0.35mm, 0.5mm, 0.7mm, Brush.