Write smoothly with these uni-ball Eye Fine liquid ink rollerball pens. This pack contains 5 pens in assorted colours and features tamper-proof uni Super Ink that will not wash off when immersed in water, acetone, glycerine, bleach or other chemicals used by document fraudsters. Each pen also features a stainless steel tip - for smooth writing with little pressure. This pack contains 2 blue, 2 black and 1 red rollerball pen. Medium 0.7mm line width.