Features: 1.100% brand new and high quality. 2.Provides a drill chuck adaptor to connect the drill chuck and impact wrench firmly. 3.High precision threads ensure tight and stable connecting. 4.Fine and strict workmanship ensures its long service life. 5.Mainly used for impact wrench conversion. Notice: Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3cm deviation due to manual measurement Description: Thread Mount: 1/2"-20UNF Chuck Adaptor Thread: 1/2" Clamping Range: 2-13mm Size: Shown as pictures includes: 1*Drill Chuck 1*Chuck Adaptor Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.