Three-jaw chuck: wood lathe chuck-3-jaw design, the lathe chuck body is made of high-quality zinc alloy, good corrosion resistance, not easy to rust. High strength and hardness, small size, comfortable to carry. Quick clamping: The zinc alloy 3-jaw lathe chuck has a self-centering function, so you don't need to calibrate repeatedly during installation. It just needs to be installed in the correct order, which is simple, quick and convenient. Can be moved inward or outward: The lathe spindle has three jaws facing inward or outward to hold materials of different shapes. High adaptability: The fixing adjustment lever makes the scroll spindle highly adaptable and can be used with the same set of jaws as the spindle. Wide clamping range. Widely used: mini metal lathe - high quality 3 jaw chuck has been widely applied. Mainly used in machine tool accessories.