[Application]: Four-jaw self-centering design, widely used for woodworking lathes. Suitable for machine tools and accessories for general lathes, economical CNC lathes, grinding machines, milling machines, drilling machines, and other machine accessories. [Compact Size]: Compact chuck with small volume, easy to use. [Material]: Made of high carbon steel material, anticorrosive, not prone to rust, and sturdy. [Features]: High strength and hardness, small size, comfortable to handle. [Accurate]: Offers high centering accuracy and a wide clamping range. Type: Machine Chuck Type: Z011A Four Jaw Color: Silver Material: Zinc alloy Size: Connecting Rod Size (LxD): Approximately 5.2 cm x 6 mm / 2.05 x 0.24 inch Connecting Thread: M12x1mm Package Contents: 1 x Chuck Note: Light reflection and different display settings may cause slight color variations between the item and the image. Measurement allows an error of +/- 1-3 cm.