Uni-Ball UniBall AIR Micro 05mm Fine Rollerball Pack of 6 Red UBA188M

The revolutionary nib of the Air unlike conventional rollerballs is pressure sensitive meaning that it gives a writing experience and differentiating line width similar to that of a fountain pen The metal ball of the nib is encased in an acetal plastic rather than the standard metal surround which allows for a smoother flow of ink around the ball and an increased flow as further pressure is applied The 05mm ball delivers a line width of between 028mm and 045mm dependent on pressure Features Unis high quality Super Ink which is not only water and light resistant but also TamperResistant meaning that the ink cannot be washed off using chemicals and solutions used by people to fraudulently modify documents Contains 6 Red Ink Pen.