The Pilot RFJ-GP-XB Ballpoint Pen Refill Broad Black is a genuine Pilot replacement refill designed for compatible Pilot ballpoint pens. Featuring rich black oil-based ink and a broad tip, it delivers smooth, bold, and consistent writing for everyday office, school, and home use. Ideal for document writing, signatures, note-taking, and general writing tasks, this genuine Pilot refill restores your pen's original writing performance while extending its lifespan.