This Union Twist Drill 51-10288 Single End Mill is a high-quality tool for metalworking. It has a size of 2" x 2" x 6 and is perfect for CNC and other metalworking tasks. The brand is well-known in the industry, and this particular model is designed for use with end mills accessories, extensions, and storage. With its durable construction and reliable performance, this Union Twist Drill end mill is an excellent choice for anyone looking to improve their metalworking capabilities.