Revolutionary Air-tip releases ink depending on pressure, creating a variable line width. The newly designed tip adjusts to style of writing depending on the pressure and angle. uni-ball Air features new technology that minimises friction, allowing for a light and smooth writing experience.
Micro 0.5mm tip - 0.28 - 0.45mm line approx.
Fine 0.7mm tip - 0.35 - 0.55mm line approx.