Sorby Diamond File is an essential tool designed to keep your cutting instruments sharp and efficient. Regular honing with this flexible and versatile diamond file can significantly extend the life and performance of your tools. It is especially useful for reaching tight spots on router bits and is perfect for maintaining turning and carving tools, knives, scissors, and more. The file face measures 1/2 inch wide by 1-3/4 inches long, while the overall length of the tool is 6-1/4 inches, making it easy to handle and maneuver during use. Crafted with precision and durability in mind, this diamond file is a reliable addition to any craftsmans toolkit.Model Number: RS224