Ideal for a variety of materials including silver, jewelry, wood, and walnut, these burs are essential for craftsmen and artists. Whether you're a professional jeweler or a woodworking enthusiast, these tools are indispensable for your intricate projects. These burs are designed to fit any 3/32 inch (2.35 mm) shank rotary tools, making them perfect for electric drills and grinders. They offer the convenience and flexibility needed for detailed engraving and carving tasks, enhancing your tool versatility. Made from high-quality steel, these engraving bits offer exceptional durability and . With sizes ranging from 0.5 to 4 mm, they meet various professional and hobbyist carving needs, ensuring detailed work on even the most delicate projects. Highly recommended for engraving delicate items such as olive cores, beads, wood, and bone, as well as precious soft metals. These burs are meticulously crafted to handle fine details without compromising the integrity of fragile materials. These round ball shape burs are perfect for detailed and precise engraving tasks. Their design ensures smooth operation and excellent results on a variety of surfaces, making them a must-have for any detailed engraving and crafting work., Weight: 0.03527396192 pounds, Manufacturer: Kopinma