Features Wide Application: Milling machine drill chuck can be commonly used in small drilling machines, milling machines, CNC and machining centers. High Performance: Lathe drill chuck uses the advanced vacuum heat treatment in the world today for high performance. Easy Installation and Disassembly: The drill body, clamping jaws, nuts, jacket and trigger wheel are made of high-speed steel. Easy installation and disassembly, more convenient and labor-saving. Practical: Drill chuck keeps ultra-high accuracy, high durability and good reliability, practical. Use It with Confidence: After many inspections before leaving the factory, lathe drill chuck's quality is guaranteed, you can use it with confidence. Specification: Item Type: Drill chuck Model: B18 16mm Size: Approx. 16mm / 0.6in Package List: 1 x Drill Chuck 1 x Taper Shank Package List 1 x Drill Chuck 1 x Taper Shank