Uni-Ball AIR 0.7mm Medium Rollerball Pens - Box of 12 Blue

The Uni-Ball AIR features a revolutionary pressure-sensitive nib that provides a writing experience similar to that of a fountain pen. The metal ball of the nib is encased in acetal plastic, allowing for a smoother ink flow and increased flow with pressure. This medium rollerball pen has a 0.7mm ball that delivers a line width between 0.35mm and 0.55mm, depending on the pressure applied. It uses Uni's high-quality 'Super Ink', which is water and light resistant, as well as tamper-resistant, ensuring that the ink cannot be washed off with chemicals. This box contains 12 blue inked pens, perfect for everyday writing needs. • Pressure-sensitive nib for varied line width • Smooth ink flow with acetal plastic encasement • 0.7mm ball for precise writing • Water and light resistant 'Super Ink' • Tamper-resistant ink for document security • Box contains 12 blue inked pens