Features Enhanced Toughness: Heat-treated for superior toughness and structural strength, ensuring durability and longevity. Optimal Clamping: Boasts a comfortable coat and good metal texture for easy clamping, resulting in increased output . Increased Clamping Force: Unique th bearing effortlessly converts handle-applied into greater clamping force, ensuring secure and stable . Effective Design: Beautiful and practical concave and convex design minimizes jacket shaking, ensuring smooth and stable performance. Wide Compatibility: Suitable for AC electric drills with power below 700W and various DC electric drills, offering versatility and convenience. Features: 1、With heat treatment, the product has good toughness and higher structural strength. 2、Good metal texture, comfortable coat , easy to clamp, so that the output becomes larger. 3、The unique th bearing is easy to convert the applied by the handle into greater clamping force. 4、Beautiful and practical concave and convex design, so that the front and rear jackets can effectively cooperate and reduce the jacket shaking. 5、Scope of application: Applicable to AC electric drills with power below 700W and various DC electric drills. Specification: Feature: With heat treatment, the product has good toughness and higher structural strength. Good metal texture, comfortable coat , easy to clamp, so that the output becomes larger. The unique th bearing is easy to convert the applied by the handle into greater clamping force. Beautiful and practical concave and convex design, so that the front and rear jackets can effectively cooperate and reduce the jacket shaking. Scope of application: Applicable to AC electric drills with power below 700W and various DC electric drills. Specification: Material: High Speed Steel Applicable machine: Impact drill Specification: 2-1m 1/2 Hand-clamped drill chuck: all-metal self-locking 1m drill chuck Scope of application: Applicable to AC electric drills and DC electric drills with power below 700W Weight: 282g / 9.9oz Package list: 1 x Drill Chuck Note: 1. The actual product color may deviate from the photo due to light. 2. There may be a slight deviation in the measurement of product. 3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List