Features Versatile Drill Chuck: Fix various bits on your drill to efficiently meet diverse working needs, ensuring a seamless experience. Reliable Self Tightening: Keyless design provides stable , preventing loosening even at high work speeds for a dependable performance. Wide Clamping Range: Accommodates bits ranging from 2–1m, making it suitable for a variety of applications, offering practicality and reliability. Premium Alloy Material: Crafted from sturdy alloy, ensuring durability and resistance to breakage, providing long-term usability. Quick Installation: Lightweight and compact size enable quick and convenient installation, enhancing user convenience and efficiency. Features: 1、Useful Drill Chuck: This chuck can fix various bits on your drill to better satisfy your various working needs, efficient and effortless. 2、Reliable : Keyless and self tightening design ensures great stability under high work speed, and the firm fixing will not loosen. 3、Broad for Matching: The drill chuck has a wide clamping range is 2？1m, very suitable for a variety of bits, very practical and reliable. 4、Excellent Material: Adopting premium alloy material with a sturdy structure, not likely to break, and very for long term using. 5、Quick Installation: Quick in change, the keyless drill chuck with a light weight and a compact size allows for convenient installation. Specification: Item Type: Drill Chuck Chuck Diameter: Approx. 4m / 1.69in Connection Size: 1/2-20UNF Clamping Range: Approx. 2 ~ 1m / 0.08 ~ 0.51in Package List: 1 x Drill Chuck 3 x Rod Package List 1 x Drill Chuck 3 x Rod