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T-screwdriver / screwdriver

T-screwdriver
T-screwdriver

The screwdriver can change its arm of force. Switch on the button at the bottom of the hand shank, its arms will be separated and the length of the arm of force is bigger so as to make it easier to unscrew the tight screws.

University

Jiangnan University

Jiangnan University
Wuxi, China

Design

Jiangnan University

Jiangnan University
Wuxi, China

Song yijun Ji nan Ren jie