Compact Size: The compact chuck is small in volume, easy to use. Accurate: With high centering accuracy as well as a large clamping range. Features: High strength and hardness, small size, comfortable to wear. Application: Design of three/four jaws, self-centering, widely used for woodworking lathe. Material: Made up of High carbon steel material, anticorrosion, not easy to rust, durable and sturdy. Description: Material: Made up of zinc alloy material, not easy to rust, durable and sturdy. Features: High strength and hardness, small size, comfortable to wear. Compact Size: The compact chuck is small in volume, easy to use. Application: Design of three/four jaws, self-centering, widely used for woodworking lathe. Accurate: With high centering accuracy as well as a large clamping range. Specification: Material: Zinc Alloy Color: Silver Connecting Rod Size(LxD): About 5.2cm x 6mm/2.05x0.24inch Connecting Thread: M12*1mm Types: A(1 x Connecting Rod), B(Connecting Rod+Three Jaw Chuck), C(Connecting Rod+Four Jaw Chuck) 1pc x Connecting Rod Or 1pc x Connecting Rod 1pc x Three Jaw Chuck 2pcs x Short Sticks Or 1pc x Connecting Rod 1pc x Four Jaw Chuck 1pc x Wrench Package Contents: 1*pcs lathe chuck