Uniball 12-Piece Air Micro Fine Rollerball Pen Set, 0.5mm, UBA-188-M, Black

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.

Features:

• 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. Box contains 12 Black inked pens.
• Box contains 12 Black inked pens.

• Pen Point Size: 0.5mm
• Pens Type: Rollerball Pens
• Writing Supplies Type: Pens & Refills
• Stationery Office Brand: Uniball
• Product Weight (grams): 159