Pilot Dr. Grip Ballpoint Ink Refill, 2-Pack for Retractable Pens, Medium Point, Blue Ink (77228) Fit the basic Dr. Grip Ball Point, Dr. Grip Neon/Brights, EasyTouch Retractable, The Better Retractable, B2P Ballpoint and RexGrip BeGreen Retractable Pens *These are NOT compatible with Dr. Grip Center of Gravity, PureWhite or FullBlack or pens* Medium 1.0mm point Pack of 2 blue ink refills Revolutionary ink that is easy to write with