Uni-Ball Eye Multicolor Ink 0.5mm Roller Ball Pen

Features:

• 0.7mm nib writes a 0.5mm line.
• Uni's high quality "Super Ink" is not only water and light resistant, but also "Tamper-Resistant", meaning that the ink can not be washed of using chemicals and solutions used by people to fraudulently modify documents
• The Uni Liquid ink flow system ensures high quality, continuous writing, right down the the very last drop of ink