The Pilot RFJS-GP-F Green Fine Refill is a genuine Pilot ballpoint pen refill designed for compatible Pilot retractable ballpoint pens. Featuring vibrant green oil-based ink and a fine point, it delivers smooth, precise, and consistent writing for everyday use. Ideal for detailed writing, colour-coding, note-taking, journaling, and document marking, this genuine Pilot refill restores your pen's original writing performance while extending its lifespan.