Constructed using superior Steel, these jewelry burs excel in durability and wear resistance, making them for intricate detailing on materials. Rust- properties long-lasting performance for hobbyists and professionals alike. This comprehensive set includes six distinct sizes of cylindrical -cut burs (0.8/1/1.4/1.8/2/2.3mm), tailored to meet detailed engraving and drilling needs on a variety of materials including precious metals and gemstones. Featuring a universal 3/32 inch (2.35 mm) shank, these burs seamlessly integrate with a wide range of equipment such as rotary tools, drills, grinders, and hanging mills, maximizing compatibility and utility in professional settings. Specifically designed for precision tasks, these burs are for carving intricate details into silver, jewelry, aluminum, and soft precious metals as well as crafting small items like beads, walnut and olive cores, enhancing both creativity and work efficiency. The package securely contains six robust and precisely machined 3/32 inch shank cylinder cut jewelry burs, ensuring you have the necessary tools to tackle diverse crafting and professional projects with precision and ease. Colour:Silver Material:Metal Size:0.8/1/1.4/1.8/2/2.3mm Package Contents: 12 x Cylinder Shape Jewelry Burr Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.