Pilot G2 Premium Gel Ink Pen Refills - 0.50 mm, Extra Fine Point - Blue Ink - Smear Proof - 2 / PackFeatures:For use with Pilot G2, G2 Limited, G2 Pro, B2P and Dr. Grip LtdFor use with Dr. Grip Gel, G6, G-Knock BeGreen, Precise Gel BeGreen, and Q7Gel Ink...