Pilot Frixion Ball Knock 4-Color Gel Ink Multi-Pen, Dark Blue Body (LKFB-80EF-DL)

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 superthin type and is suitable for the writing to fine parts, such as a notebook and data.
- A hand is transparency by a temperature change! Ball-point carrying the "Frixion ink" which makes ink colorlessness by a temperature change of the new way of thinking.
Since erase temperature is set to "Frixion ink", the color of ink can change to colorlessness by the frictional heat which produces a hand by rubbing against the exclusive rubber of the body rear, and it can erase a hand.
- Garbage does not come out.
It erases and there is little remainder.
In order to make the ink of a hand into colorlessness by frictional heat unlike the pens and pencils erased with an eraser, garbage does not come out.
Moreover, a pencil and a mechanical pencil erase, it erases compared with marks, and, as for the feature, there is very little remainder.
- Scratch out any number of times and it is possible.
A repetition note in the part which was erased unlike chemical formulae, such as ink elimination liquid, is possible.
- After a hand gets dry, if it rubs with the rubber of the axial rear, a color will disappear.
* It cannot be used for bonds and address writing.