Feature:_x000D_ _x000D_ With heat treatment, the product has good toughness and higher structural strength. _x000D_ Good metal texture, comfortable coat surface, easy to clamp, so that the output torque becomes larger. _x000D_ The unique thrust bearing is easy to convert the torque applied by the handle into greater clamping force. _x000D_ Beautiful and practical surface concave and convex design, so that the front and rear jackets can effectively cooperate and reduce the jacket shaking. _x000D_ Scope of application: Applicable to AC electric drills with power below 700W and various DC electric drills. _x000D_ _x000D_ _x000D_ Specification:_x000D_ Material: High Speed Steel_x000D_ Applicable machine: Impact drill_x000D_ Specification: 2-13mm 1/2_x000D_ Hand-clamped drill chuck: all-metal self-locking 13mm drill chuck_x000D_ Scope of application: Applicable to AC electric drills and DC electric drills with power below 700W _x000D_ Weight: 282g / 9.9oz_x000D_ _x000D_ Package list:_x000D_ 1 x Drill Chuck_x000D_ _x000D_ Note:_x000D_ 1. The actual product color may deviate from the photo due to light._x000D_ 2. There may be a slight deviation in the measurement of product._x000D_ 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.