About Ballpoint Pen
A ballpoint pen, also known as a biro or ball pen, is a pen that dispenses ink over a metal ball at its point, i. e. over a "ball point". The metal commonly used is steel, brass, or tungsten carbide.
A ballpoint pen, also known as a biro or ball pen, is a pen that dispenses ink over a metal ball at its point, i. e. over a "ball point". The metal commonly used is steel, brass, or tungsten carbide.