Convenient screwdriver

Convenient screwdriver consists of three parts, each port has magnets inside, by transforming different ports to achieve two modes of operation, namely, "T" mode of effort-saving mode and "normal mode", the user can choose according to the actual situation. In the "T" power-saving mode, we can easily rotate the screwdriver. Normal mode can be extended into narrower areas. By loading the screwdriver head into the cavity, the user can store it anywhere, without fear of damaging furniture or scratching children. And it's small and easy to carry, and can be put in a pocket and taken anywhere.