Constructed from superior Vanadium Steel, these jewelry burrs feature unparalleled hardness and resistance to wear and rust, ensuring durability and reliable performance for professional-grade use in crafting and intricate metalwork. Featuring a universal 3/32 inch (2.35 mm) shank, these burrs are compatible with most rotary tools, drills, and grinders, making them a versatile addition to any craftsperson's toolkit for detailed engraving and lapidary work. Ideal for working with soft materials such as olive core, beads, , bone, and precious metals, these burrs are engineered for , allowing artists and craftsmen to achieve exceptional detail and smooth finishes in their creations. This comprehensive package comes with 12 precision-crafted 3/32Inch shank cone tapered cut engraving burrs, neatly packaged to they are organized, easily accessible, and ready to elevate your artistic endeavours. Shank:All of the burr are 3/32Inch round shank. Easy to use: Can be used in hanging mills, bench mills,electric grinders, rotary tool, etc. Application: For carving and grinding of silver, jewelry, wood, walnut and more, recommended for olive core, beads, , wood, bone, precious soft metal , etc Warm Prompt: On the tools must be installed when the tool is to try whether the beating, to adjust to not jump to use. Otherwise the tool is quickly worn out. Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Silver Material:Metal Sizes:0.6, 0.7, 0.8, 0.9, 1, 1.1, 1.3, 1.5, 1.6, 1.8, 2.1, 2.3mm Package Contents: 12 * Burr Sets 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.