making it well suited for this technique

or any time you need precision without going too fat

so closing the notebook right after writing won't smear or ghost onto the facing page

useful for anything that needs to hold up as an official or permanent record

or a larger mixed assortment

uni ball ub 120 eco micro rollerpen 0 5mm Risk making it well suited forThe UB 120 is a 0. 5 mm fine tip rollerball with a barrel made from 72% recycled post consumer plastic, built without giving up the build quality or ink flow of uni ball's standard pens the eco material is the actual point of difference here, not a tradeoff. The tip delivers a consistent monoline stroke at around 0. 3 mm, suited to everyday writing, small text, or calendar grids where a thicker line would crowd the space. The ink is uni ball's acid