Specifications: Using high-quality zinc alloy, this chuck is wear-resistant, strong and durable. The 3-jaw design is practical, it is easy to use and has high work efficiency, compact size. This chuck has large clamping range, which is practical in use. The high-quality 3-jaw chuck has wide application, it is mainly used in lathe accessories. Item Name: Chuck Material: Zinc Alloy Model: Z011 Features: Durable, Wear-resistance, Large Clamping Range, Compact Chuck Size: 4.7cm x 3.5cm/1.85" x 1.38" (Approx.) Chuck External Diameter: 12mm - 65mm/0.5" - 2.6" (Approx.) Chuck Internal Diameter: 1.8mm - 56mm/0.1" - 2.2" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x 3-Jaw Chuck 2 x Lock Lever