This product is a set of ten blue metal ballpoint pen ink refills, each measuring 110mm/11cm in length. The ball refills are made in the United Kingdom and feature a chrome trim. They are designed for use in ballpoint pens and are ideal for those looking to replace worn-out or depleted ink cartridges. The ink colour is blue, providing a smooth and consistent writing experience. Ideal for collectors or those who appreciate high-quality writing instruments.