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• 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 0.5mm ball delivers a line width of between 0.28mm and 0.45mm (dependent on pressure).
• Features Uni’s high quality “Super Ink”, which is not only water and light resistant, but also “Tamper-Resistant”, meaning that the ink cannot be washed off using chemicals and solutions used by people to fraudulently modify documents.

The next generation of writing tools Experience the next generation of roller ball pen with the uni-ball Air. Superior, smooth writing experience Scratch-free writing with a smooth glide Variable line widths adjust to your writing style Bold ink lay down .Writes soft like a marker but durable like a roller ball Innovative Smart Tip technology writes at any angle. 0.5mm tip