High Quality MaterialOur chuck fixture is made of zinc alloy, which is lighter, wear-resistant, strong and durable, and has a wide clamping range Four-jaw DesignThe four-jaw design of this lathe fixture is more stable and firm than ordinary three-jaw chucks when gripping Self-centeringEach claw has a slight self-adjusting, which can be self-centered and stable when working Widely ApplicationsThis fixture has been widely used in various machine tool accessories, our chuck is mainly suitable for small metal machine tools SpecificationsModel: Z011A --- Material: Zinc Alloy --- Weight: 180g/6.3oz --- Chuck Type: 4-Jaw Chuck --- Outer Diameter: 12-65 mm/0.5-2.6 inch --- Internal diameter: 1.8-56 mm/0.1-2.2 inchladacea