Pilot G2 Gel Ink Refills fit the G2, G2 Limited, G2 Pro, G6, Dr. Drip LTD., Dr. Grip Gel, Precise Gel BeGreen, G-Knock BeGreen and Q7, B2P Gel Ink and Pilot MR Gel Roller pens. These ink refills contain smooth writing, smear-proof gel ink and are available in a pack of 2 refills with ultra-fine (0.38mm), extra fine (0.5mm), fine (0.7mm) or bold (1.0mm) points for your favorite Pilot Gel Ink pens.