Feature:1. Scope of Application: Grinder machine handle tool suitable for grinding, drilling, milling and other supporting purposes, which is often used in the processing of jewelry and crafts.2. Excellent Metal: Handpiece chuck is high accuracy hand tool, made of metal material, not easy to rust, not easy to deformation, which can be used with confidence.3. Improve Efficiency: Metal handpiece chuck with small vibration and low heat output during operation, which can effectively improve your work efficiently.4. Convenience: Grinder machine handle allows you to quickly replace accessories such as needles, drills, drill bits and tools. Perfect for beginners and professional jewelers.5. Best Gift: Handpiece chuck is easy to use, allow you can enjoy the fun of jewelry making, which can be used to carve jewelry or wood, learn and practice jewelry making.Specification:Item Type: Handpiece Chuck for Grinding MachineMaterial: MetalSize: Approx. 14 x 1.7cm / 5.51 x 0.67inChuck Size: Approx. 2.35mm / 0.09in.Package List:1 x Grinder Machine Handle1 x Plastic Box