Pilot V7 Hi-Techpoint Rollerball Mixed Pack Of 4 Black/Blue/Green/Multicolor/Red Pilot V7 Hi-Techpoint Liquid Ink Rollerball Mixed Pack of 4 [1 x Black, 1 x Blue, 1 x Red, 1 x Green] High Quality & Reliable Rollerball Featuring Pure Liquid Ink Fine Tip, 0.7mm Rollerball Writes a 0.5mm Line A Barrel Window allows the User to see how much Ink is left