Dual End Brush Pen Sets color set:primary Compatibility with Iwata's bottle system

Compatibility with Iwata's bottle system means you can work with larger paint quantities when covering substantial areas or batch-processing multiple pieces

critical for commissioned work or pieces meant to last

Everything stays organized and accessible even when you're painting on uneven terrain or balancing the set in one hand

The pH-neutral PVA adhesive (pH 7

Pressure variation for thick downstrokes and thin upstrokes

Dual End Brush Pen Sets color set:primary Compatibility with Iwata's bottle systemDual ended design eliminates constant tool switching during color work. Each Tombow pen combines a flexible brush tip for expressive strokes with a 0. 8mm fine tip for precision details, both drawing from the same ink reservoir for perfect color matching between techniques. The brush tip maintains its spring and point through extended use, handling everything from broad washes to controlled lettering without splaying or losing shape. Water based