Pilot®. Premium gel roller. Pilot G-2 07. G2. Comfort grip. Fine 0.7mm. Black ink. Super smooth. Longest lasting. Refillable. #1 selling gel pen. Item # G27C4BLK fine point 0.7mm black ink. Archival safe acid free ink. Retractable gel ink rolling ball. Discover writing perfection! Smooth writing & smear proof: featuring pilot's unique gel ink formula. Longest lasting gel ink formula**: writes longer providing exceptional value. Comfortable rubber grip: contoured design fits your hand. Refillable for continued use: use the g2 refill. Available in four point sizes with assorted ink colors. Ultra fine point / 0.38mm. Extra fine point / 0.5mm. Fine point / 0.7mm. Bold point / 1.0mm. *Source: #1 selling gel pen, 2010 A.C. Nielsen. **Independent ISO testing results of top selling branded gel pens on file with Pilot Corporation of America. www.pilotpen.us. © Pilot corporation of America.