Uni-ball Power Tank Ballpoint Retractable & Fine Ballpoint Pen Rubber Grip Type-0.7mm-black Ink-value Set of 10[Product Information]- Enter your model numberto make sure this fits.
- Ink is always pushed out by the pressure of air
- Ideal for the outdoors or the work which stands and comes out， since it can write also upward
- It is suitable also for writing to a calendar.
- Even if it writes quickly， it is stabilized and ink is pushed out.
- Writes on wet paper， upside-down， in temperatures down to -20 °C
