The product interface has a locking mechanism, suitable for electric drill, electric driver, wind batch and other adapter extension;Suitable for 1/4 (6.3mm) hexagonal shank batch head, screwdriver head, drill bit extension use.
Fast, tightening, greatly improve work efficiency.
Note: 1.Transition: 1cm=10mm=0.39inch. 2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 3. Please allow slight manual measurement deviation for the data.