Since pressurizing always ink is oil-based ball-point pen capable without involving the air inside the refill and writing in upward.
The writing on the paper surface can be wet and the universe without gravity!
It is recommended for use in the field of mainly outdoors.
Drawn lines are not blurred even if the write speed.
Spike ball adoption, firmly grip the paper surface! You can also be written on the printing surface / inkjet paper color copy!
Since pressurizing always ink is oil-based ball-point pen capable without involving the air inside the refill and writing in upward. The writing on the paper surface can be wet and the universe without gravity! It is recomme...
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