This handpiece allows you to easily change accessories (such as burrs, drills, drills and cutting tools, etc.). You don't need to use a chuck key, pin or wrench, just a short break in your work. There is a lever mechanism on the handpiece body that helps you open it quickly and smoothly. This item also has the characteristics of low vibration and slow heating when working, suitable for grinding, drilling, milling and other supporting uses. Commonly used in the processing of jewelry and handicrafts, with high-quality metal material, smooth surface, compact and delicate and comfortable to use. Jewelry Tools & Equipment Type: Tool SetsProduct Features: Commonly used in the processing of jewelry and handicraftsItem Type: Jewelry Tools & EquipmentSpecification:Quantity: 1 pcColor: Black & SilverMaterial: metalSize: 14.2 cmPackage content:1 * Tap engraving head handleOnly the above package content, other products are not included.Note: Light shooting 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.