Features: Made of high quality material, wear-resistant, strong and durable. 3-jaw design, compact size, easy to use. It has a large clamping range. High quality 3-jaw chuck has been widely applied. Mainly used in machine tool accessories. Specification: Material: Zinc alloy Model: Z011 Weight: 178g/6.3oz Outside diameter: 12-65mm/0.5-2.6inch Inner diameter: 1.8-56mm/0.1-2.2inch Package List: 1 x 3-Jaw Chuck