This brush has a flat shaped brush-tip size 20 (approx

The ink in the black and the blue refill are only document proof in ISO 27668-2

It's also available in 2 mm and 10 mm sizes

smooth reverse for fineliners and calligraphy pens

tombow mono ct yt4 correction tape 4 2 mm 10 m Caster This brush has a flatThis correction tape dispenses sideways instead of straight ahead, which keeps your hand from blocking the line you're correcting as you pull it across a small but noticeable difference if you're correcting a specific word or short stretch of text rather than a whole line. The white film goes on flat without scraping or wrinkling and accepts ink right away, so you can write straight back over it with a ballpoint, fineliner, or brush pen without the