These mechanical pencil leads by Uni Mitsubhishi are a must-have for any writing enthusiast. Designed with a 0.7mm lead size, these leads provide a smooth and precise writing experience. The vibrant orange case not only adds a pop of color to your workspace but also ensures easy identification and organization. Made with high-quality materials, these leads are durable and long-lasting, making them a cost-effective choice. Whether for professional or personal use, these mechanical pencil leads are the perfect addition to your writing tools. Trust in the expertise and quality of Uni Mitsubhishi for all your writing needs.