R.S.V.P. Ballpoint Stick Pens feature an ergonomic barrel design with a soft; latex-free; rubberized; Comfort Zone grip. Refillable pen delivers exceptional balance; comfort and control for fatigue-free writing. Durable; stainless steel tip delivers a consistent line with smooth ink. Color indicator ball in cap and sleeve on barrel match ink color. Refill with Pentel BKL7 (0.7mm) or BKL10 (1.0mm) refills.