Feature: <br> <br>With heat treatment, the product has good toughness and higher structural strength. <br>Good metal texture, comfortable coat surface, easy to clamp, so that the output torque becomes larger. <br>The unique thrust bearing is easy to convert the torque applied by the handle into greater clamping force. <br>Beautiful and practical surface concave and convex design, so that the front and rear jackets can effectively cooperate and reduce the jacket shaking. <br>Scope of application: Applicable to AC electric drills with power below 700W and various DC electric drills. <br> <br> <br>Specification: <br>Material: High Speed Steel <br>Applicable machine: Impact drill <br>Specification: 2-13mm 1/2 <br>Hand-clamped drill chuck: all-metal self-locking 13mm drill chuck <br>Scope of application: Applicable to AC electric drills and DC electric drills with power below 700W <br>Weight: 282g / 9.9oz <br> <br>Package list: <br>1 x Drill Chuck <br> <br>Note: <br>1. The actual product color may deviate from the photo due to light. <br>2. There may be a slight deviation in the measurement of product. <br>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.<br>1、With heat treatment, the product has good toughness and higher structural strength. <br>2、Good metal texture, comfortable coat surface, easy to clamp, so that the output torque becomes larger. <br>3、The unique thrust bearing is easy to convert the torque applied by the handle into greater clamping force. <br>4、Beautiful and practical surface concave and convex design, so that the front and rear jackets can effectively cooperate and reduce the jacket shaking. <br>5、Scope of application: Applicable to AC electric drills with power below 700W and various DC electric drills.