Pilot 77243 G2 Refills, 0.7mm Fine, Green Gel Ink, Pack of 2. The G2 gel ink glides across the paper without skipping or smudging, providing a premium writing feel. Refills are designed for use with Pilot G2, G2 Limited, G2 Pro, G6, B2P, B2P Gel, MR Gel Roller, Dr. Grip Ltd., Dr. Grip Gel, Q7, G-Knock Begreen and Precise Gel Begreen. Gel ink formula delivers smearproof, smooth writing.