Features Excellent Locking Device Ensures Performance: Experience reliable operation with a superior locking mechanism that minimizes slippage and enhances drilling efficiency Durable Steel Construction for Longevity: Constructed from high-quality steel, this tool is built to withstand rigorous use, ensuring a long service life for all your projects High Accuracy Integrated Design: Featuring an integrated tool holder, this design provides exceptional precision and stability, making your drilling tasks easier and more accurate Impressive Hardness and Clamping Capacity: With a hardness rating of 40HB and a maximum clamping bit size of 16mm, this tool saves you time and effort in various applications Versatile Use in Manual Hardware Applications: Designed for drilling machines, this accessory significantly enhances your productivity, making it a valuable addition to your power tool collection Features: 1、The product come with excellent locking device to ensure good product performance 2、Made of good-quality steel material, sturdy and for a long service life 3、Integrated design of tool holder, which poss high accuracy and high hardn 4、Hardn for 40HB, maximum clamping bit is 16mm, very practical, saving time and effort 5、Flat tail integrated drill chuck is mainly used for drilling machines, helps a lot in your life Specification: Item Type: Drill Chuck Model: APU16-MT3 Material: Steel Hardn: 40HB Maximum Clamping Bit: Approx. 16mm / 0.6in Applicable Machine Tool: Drilling machine Flat tail integrated drill chuck is mainly used for drilling machines Model219.5mm / 8.6in Package List: 1 x Drill Chuck Package List 1 x Drill Chuck