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 new 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.