Uni Ball point Pen Uni-Ball Air 0.5mm Red -UBA20105.15-

The aqueous ballpoint pen was realized a light wriging feeling as air by controlling the flow of ink, according to the pen pressure. The interior of the pen tip, move up and down in accordance with the writing pressure at the time of writing, a special tip to appropriately control the flow rate of the ink has been mounted.?Therefore, you can write characters clearly without putting the force. For soft cover that covers the pen tip of the chip reduces the friction of the paper, you can write smoothly without being caught. In spite of ballpoint pen, you can vary the drawn line width by writing style or pen pressure, it's the first time in the world.