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. 1With heat treatment, the product has good toughness and higher structural strength. 2Good metal texture, comfortable coat surface, easy to clamp, so that the output torque becomes larger. 3The unique thrust bearing is easy to convert the torque applied by the handle into greater clamping force. 4Beautiful and practical surface concave and convex design, so that the front and rear jackets can effectively cooperate and reduce the jacket shaking. 5Scope of application: Applicable to AC electric drills with power below 700W and various DC electric drills.