The independent reversible jaws of the lathe chuck are made of zinc alloy, which has good corrosion resistance and is not easy to rust. The main body material is manufactured under strict quality testing. High-quality products ensure long service life and a sense of experience. The three-jaw chuck of the mini lathe made of zinc alloy has the excellent characteristics of high strength, high hardness, small size and comfortable wearing. The use can improve work efficiency and achieve the best working effect. The mini lathe chuck is small in size, compact in structure and easy to use. It is suitable for mounting on metal lathe chucks and clamping workpieces of various shapes. The lathe chuck is equipped with three inward stepped jaws, which can sink inward or outward to clamp raw materials of various shapes. Self-centering, widely used in woodworking lathes. The lathe chuck has higher centering accuracy and a wider clamping range. Excellent products have the characteristics of high