About the product
- Brand: Uniball
- 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 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 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
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