Copic Multiliner Pigment Ink Pen 0.5mm BlackCOPIC Multiliner Pens are waterproof, pigment based pens that won't bleed into Copic Markers. Multiliners are non refillable.
Staedtler Triplus Fineliner Pen 0.3mm Aqua
Sakura Pigma Micron 01 Pen 0.25mm Green