Refill For Zebra Jk G-301 Gel Rollerball Pens, Medium Conical Tip, Blue Ink, 2/pack Dependable, high quality, vibrant gel ink. Refills fit the following pens: G-750, G-450, G-301. These refills provide you with an unmatched writing experience. Provide a smooth ink flow producing clean, crisp lines.
