We’ve all experienced it. You sit down to work or study, and something is missing, a pen, a ruler, an eraser. Small things that interrupt your focus and slow you down.

OnePen solves this with a simple idea: combine everything you need into one clean, minimal tool.

With up to 5 integrated functions, including a pen, pencil, eraser, and a magnetically detachable ruler, OnePen keeps your workspace organized and your mind focused.

No clutter. No searching. No distractions.
Just one pen that does it all.

Less to carry. Less to forget. More control.

Why carry five tools when one does it all?