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