The Pentel RSVP super rat retractable ballpoint pen features pentel's newest, super-smooth ballpoint ink. The special, low-viscosity ink formula doesn't drag, blob or scratch offering smoother writing than ever before. The pen includes elegant metal accents and a comfortable, contoured latex-free grip for easy, no-fatigue writing. Sleek barrel design feels great in your hand. Barrel colors match the ink color inside. The 1. 0mm tip writes medium lines. Refillable with (Bxl10) ink refills. Each pen is backed by a limited lifetime .