This is a genuine Waterman ballpoint pen refill, a high-quality refill manufactured in France. The ink color is black and the point is M (Medium) type, providing a smooth writing experience. It is a consumable used to replace the ink in existing Waterman ballpoint pens for continued use. Precision-engineered to fit stably into compatible Waterman ballpoint pen models, it is an essential item for frequent writers or those who maintain luxury writing instruments.