UNIBALL AIR COLOUR GREIGE PASTEL Uniball Air Liquid Ink Rollerball Pen features a revolutionary Air-tip that 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. Uniball Air Liquid Ink Rollerball Pen is equipped with a 0.5mm micro tip that produces lines ranging from approximately 0.28 to 0.45mm in width which is ideal for drawing or everyday writing.
