A pen is a writing instrument used to apply ink to a surface, usually paper, for writing or drawing. Historically, reed , quill , and dip  were used, with a nib dipped in ink. this product allow precise adjustment of line width, and still find a few specialized uses, but technical pens such as the Rapidograph are more commonly used. Modern types include ballpoint, rollerball, fountain and felt or ceramic tip.Â
An ideal writing companion that everyone can enjoy. With their hexagonal barrel and high-quality ink, it’s not difficult to see how BIC Cristal Medium ballpoint came to be a worldwide bestseller.
A quill is a pen made from a flight feather of a large bird, most often a goose. Quills were used as instruments for writing with ink before the metal dip the fountain and eventually the ballpoint pen came into use.