the colours included in these packages can vary

pH-neutral

Dual-sided surface — fine grain face for charcoal

While these highlighters are preferred for simple sketches

Filled with the chemical black SPEEDFLOW ink makes it your perfect tool for the big clean surfaces

uni ball eye ultra micro rollerball pen 0 38 mm Alfe the colours included in theseThe Eye Ultra Micro uses a 0. 38 mm tip, the thinnest in the Eye liquid ink line, putting down a needle sharp line around 0. 2 mm wide fine enough for dense tracking grids or detailed entries where a standard 0. 5 mm tip would already feel too thick. Most pens get scratchy or start skipping at this small a tip size, but the Uni Flow capillary regulator keeps ink pressure steady through the barrel, so the line stays smooth rather than catching on the