5pc Ballpoint Pen Refill Medium 1.0mm – Steel Ink Refill Compatible with Crystal Filled Ballpoint Pens

This ballpoint pen refill is made from high-quality steel and designed for smooth, consistent writing performance. With a medium 1.0mm nib, it provides clear ink flow suitable for everyday writing tasks at home, school, or the office. Measuring 11.6 cm in length with a 0.25 cm diameter, this refill is compatible with crystal filled ballpoint pens and offers an easy replacement option to extend the life of your favorite pen.