Sign up for an Award
Participate with your entry in one of our professional or student awards.
Sign up for an awardLearn more:
Unsupported browser
You are using an outdated browser. Please upgrade your browser to improve your experience.
There are many different screwdriver in the world . People always a box of screwdrivers , So i design this . There are two place can be turn on its handle.
When you turn one of two , the magnetic force in it will be changed , and the kind of the screwdriver will change too . When you change the other , the size will be change.
Tatung University
TPIPEI, Taiwan