Model Number:lathe chuck    Number of Jaws:4    Type 1:Lathe Chuck    Type 2:Self-Centering Lathe Chuck    Type 3:4-Jaw Self-Centering Chuck    Keywords:Metal Lathe Chuck    Features:    High strength and hardness,small in size,convenient to carry.    The compact chuck is small volume,easy to be used.    It has a high centering precision as well as a large clamping range.    The chuck is made for meter machine tools in the processing of non-ferrous metals non-metals like plastic and so on.    4-jaw design,self-centering,widely used for woodworking lathe.    Specifications:    Model:K02-50    Chuck Type:4-jaw chuck    Chuck Structure:Normal    Power Type:Manual    Chuck Diameter:50mm/1.96 inch    Weight:531g(approx.)    Color:silver+black    material:metal    Package Contents:    1* lathe chuck    2* lock lever    Only the above package content, other products are not included.    Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.