High Carbon Steel Materials : This Mini Drill Chuck MT2-B16 Arbor Key Type is made of quality solid high-carbon steel for durability. Accurate and accurate, stable performance. A great accessory for all drilling tasks Improve Work Efficiency : You can adjust to the required state more efficiently and accurately, which is convenient for you to process products more efficiently and use them more easily. The wrench chuck with rotary chuck button is easy to use Easy to Use : Mini lathe drill chuck wrench chuck with rotary chuck button is easy to use. Make your products better and more efficient Area of application : Widely used with various drills, milling machines, lathes, drills and electric hand tools for complete centering, drilling, thread cutting and rubbing. Suitable for centring, thread cutting, grinding Universal Size : This Lathe Drill Chuck also comes with a B16-MT2 Taper Arbor, both accessories has a universal size，The spanner style chuck can be used with just one hand to make quick and convenient drill changes, Manufacturer: Zerone