- Frixion Ball4 can use 4 colors properly by one it scratches them out any number of times, and is a 4-color ball-point with possible high convenience.
- An ink color black and red blue and green. A nib is a 0.5-mm super thin type and is suitable for the writing to fine parts, such as a notebook and data.
- Since erase temperature is set to Frixion ink the color of ink can change to colorlessness by the frictional heat which produces.
