Pentel Pen Refills For R.S.V.P. Ballpoint Pens, Medium Point, 1.0 mm, Black, Pack Of 2 Medium Point - Black Ink - 1 / Pack Keep your pens full and ready to use with these Pentel pen refills. They are produced with a steel tip that remains durable and legible over repeated use. The marks produced maintain a consistent size and ink delivery for professional use.