The Pilot G-2 Gel Pen Refill 0.5mm Green (BLS-G2-5-G) is a genuine Pilot replacement refill designed for compatible Pilot G-2 gel pens. Featuring vibrant green gel ink and a fine 0.5mm tip, it delivers exceptionally smooth, precise, skip-free writing with crisp, consistent lines. Ideal for detailed writing, colour-coding, journaling, planners, note-taking, and document marking, this refill restores your Pilot G-2 pen to its original premium writing performance while extending its lifespan.