[Unique locking method]: This electric drill chuck adapter uses unique locking function, allowing the locking part to be installed in the back cover, which can more effectively prevent loosening during the work[Good performance]: This keyless drill chuck has good wear resistance and durability, after heat treatment, the toughness and structural strength are improved[Metal Texture]: This 10mm drill chuck has good metal texture and comfortable jacket surface, which effectively improves comfort when using[Superior clamping force]: This unique 3/8 keyless chuck thrust bearing is easy to convert the torque applied by the handle into greater clamping force, the clamping range is 0.8-10mm[ Scope]: This professional 3/8 chuck is suitable for impact drills with a power power over 1050WFeature:With the heat treatment, the product has good toughness and higher structural strength.The unique patented locking function breaks with the traditional locking method, with pawls on the back.The locking plate is installed in the back sleeve, which can more effectively prevent loosening and loosen while working and make the clamp more reliable when holding the tool.Good metal texture, comfortable coating surface.The unique thrust bearing easily converts the torque applied by the handle into greater clamping force. .Specification:Product name: 0.8-10mm all-metal self-locking drill chuck thread interfaceRange clamping range: 0.8-10mmConnection size: 3/8-24UNFScope of application: it is suitable for impact drills over 1050 horsepower W.Weight: 217g/7.7ozPackage List:1*Drill ChuckNote :The actual color of the product may differ from the photo due to the light.There may be a slight deviation in the measurement of the product.