Baile PILOT BLS-HC4-B 0.4 Superfine Ball Pen Refill-Black 1 Pack

Baile PILOT BLS-HC4-B 0.4 Superfine Ball Pen Refill (Black, 1 Pack) is a high-precision ink refill designed for smooth and consistent writing. It delivers fine 0.4mm black lines with excellent clarity, making it ideal for detailed notes, professional writing, and everyday office or school use.