tombow empty water brush pen medium GBR A handy pump-valve marker with

A handy pump-valve marker with a easy-refill in the bottom and a 15mm broad tip

It’s transparent when you write

While these highlighters are preferred for simple sketches

popular with students

NYC in the 70s

tombow empty water brush pen medium GBR A handy pump-valve marker withThe Medium is the most general purpose tip in Tombow's water brush range a round head that widens into a broader stroke under pressure or tapers to a finer point when held lightly, covering both background shading and tighter detail work without switching tools. That range is part of why it's the most commonly reached for tip in bullet journaling and hand lettering specifically, since most pages mix both jobs: blocking in a banner and writing fine