How to connect the sleeve head and the power tool?
The small sleeve head can be used as an electric screwdriver or an electric screwdriver or a speed regulating electric drill, and the middle part needs a converting device to be jammed, and a special socket head is directly clamped on the electric tool.
The sleeve head is normally used for an electric wrench, and the electric wrench is connected with a common hole of the sleeve head, and the socket head of different sizes can be changed at any time
