Pilot 77360 G2 Refills, 1.0mm Bold Point, Red Gel Ink, 6 Packs of 2 Refills
Smooth writing gel ink. Works with Pilot pen number P1A31258. Also fits G2, G2 Limited, G2 Pro, G6, Dr. Grip LTD., Dr. Grip Gel, G-Knock BeGreen, B2P Gel and Pilot MR Gel Roller.