Ideal for Precision Work: These deluxe burs are perfect for intricate filing, precise stone setting, and other jewelry applications, ensuring high-quality results with every use. High-Quality Material: Crafted from steel, these burs promise long-lasting performance. Each set is neatly packaged in a reusable plastic pouch, making it easy to store and transport. Craftsmanship: Manufactured in Switzerland, these tools are engineered with precision and are designed to meet highest standards of quality and efficiency in jewelry making. Specific Dimensions: Each bur measures 44.5 millimeters in length and features a 3/32 inch (2.35 millimeter) shank, making them compatible with most standard jewelry tools and providing versatility in use. Comprehensive Set: This assortment includes 12 hart burs in a range of sizes from 0.90 mm to 2.30 mm, allowing jewelers to achieve precise cuts and finishes for and materials. Colour:silver Material:steel Package Contents: 12 * hart Burs Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.