To celebrate the 20th Anniversary of our bestselling Eye Range, uni-ball have introduced the Eye Designer range. The uni-ball Eye Designer contains uni Super Ink, which is fade resistant, water resistant and tamper proof. A stainless steel tip provides durability and maintains a smooth flow even with minimal pressure. A unique 'uni-flow' system ensures a continuous flow of ink right down to the last drop.Featuring tamper proof uni Super Ink that will not wash off when immersed in water, acetone, glycerine, bleach or other chemicals used by document fraudsters.. Medium (0.5 mm) line. Consistent smooth writing. Contains unique fade proof Super Ink. Celebrating the 20th Anniversary of our bestselling Eye Range.. An everyday use pen for in the home, work or school