Pilot G2 Retractable Premium Gel Ink Roller Ball, Black, 2 Pack of 12 G2 writes longer than the average of the top branded gel ink pens.** **Independent third party ISO testing. Average of G2 write out (all point sizes) compared to the average of the top branded gel ink pens tested (all point sizes). Data on file with Pilot Corporation of America. Contoured rubber grip for writing comfort 2 Boxes of 12 xfine point pens with black ink Dynamic Gel Ink Formula that's smooth writing and smear-proof - Retractable and refillable - Pilot G2 refill model #77289 sold separately