uni-ball AIR write like a fountain pen with scratch free. Also can create variable line width by changing amount of pressure that you put on the pen
Remarkable Points
- Scratch free
- Variable width
- Water proof and fade proof
Adjustable line width
AIR TIP has ability to adjust line width freely base on the writing angle and pressure. This helps to create identity of individual writing style.
Water proof
uni super ink is the unique innovation from uni. It has ability to withstand water and does not wash away easily. 
Series
