The Pentel R.S.V.P. ballpoint pen is a sturdy, well-balanced pen. This capped pen is designed for extended periods of use. The exclusive ComfortZone™, rubber grip is designed to reduce writing fatigue. The transparent barrel allows you to see the ink supply. Durable tip delivers a consistent line without skipping. Point size 0.7mm (BK90) and 1.0mm (BK91). The long barrel holds more ink than the competition and can write for over a kilometer! Select the BKL7 (fine) or BKL10 (medium) refills, which are available in a variety of colours.