Precision Clamping Range: Three-jaw chuck design provides stable clamping of accessories with diameters from 0.3-4mm, suitable for delicate work. Ergonomic Design: Comfortable grip and stable operation, for prolonged use. Multifunctional Application: Suitable for various fine manual tasks such as engraving, grinding, polishing, drilling, and sanding. Stable and efficient operation: The optimized front handle structure ensures high chuck stability, low vibration, and improved operating accuracy and efficiency. Professional Tool Configuration: Designed specifically for precision processing, it is an tool for DIY projects, jewelry making, model making, and other fields.