, they're smooth, the ink doesn't smudge or smear and they outlast all others

I normally design on bristol, and these deliver consistent dark black ink.

They come in different sizes and the ink is super strong

Especially in the way that I can layer the ink over the pencil graphite when working with more abstract sketches.

I normally design on bristol, and these deliver consistent dark black ink.

, they're smooth, the ink doesn't smudge or smear and they outlast all others