1Can be bent 105 degrees to rotate left and right, you can manually screw the screwdriver. 2It can also be used on a rechargeable electric drill, it cannot be plugged in. 3It can be connected to a rechargeable electric drill or a manual wrench, extending to a narrow space that they cannot get to, twisting the screw and nut. 4The quick connect handle is suitable for all electric drills and socket wrenches. 5The functional head is equipped with locking and magnetic devices to ensure that the sleeve will not fall. 6It adopts metal shell and integrated design, and the overall rigidity is good.