Pilot Dr. Grip Gel Ink Retractable Roller Ball Pen, Black Ink.7mm (36261) Awarded the Arthritis Foundation's Commendation for Ease-of-Use Ergonomic cushion grip alleviates fatigue Dynamic Gel Ink Formula that's smooth writing and smear-proof Fine point, black ink with neon barrel - Single pen with purple barrel Retractable and refillable - Pilot G2 refill model #77240 sold separately