Uniball 12-Piece Eye Fine Rollerball Pen Set, 0.7mm, UB-157, Black

Specifications:

• Uni-ball products are developed through technical expertise accumulated over the years include uni-ball water based ink roller balls with metal tips.
• The Uni-flow system ensures a continuous write with the same thickness to the very last drop of ink.
• Water Resistant: Dyestuff Ink is easily soluble in water and will bleed on the paper, uni super ink - pigmented ink will bond itself to the paper fibers once it is settled, it is not soluble in water.
• Light Resistant: The size of uni super ink particle is larger than dyestuff Ink. Therefore its surface is less affected and the colour remains vivid.
• Time Resistant: Difference between structure of molecules. Molecules of dye ink break down because of the sunlight and air but uni Super ink is difficult to break down.

• Model Name: Eye Fine
• Pens Type: Rollerball Pens
• Writing Supplies Type: Pens & Refills
• Stationery Office Brand: Uniball
• Model Number: UB-157