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“助钉”螺丝刀 / “Help nail” Screwdriver

“助钉”螺丝刀
“助钉”螺丝刀

In torsion bolt often appear is not strong enough or it is to plunge into the phenomenon of hand. Through the design, in the screwdriver tail open a special small mouth. Can use the coordination of two screwdriver, can the little strength twist screws and assist the twist screws.

Design

GUANGDONG INDUSTRY TECHNICAL COLLEGE

GUANGDONG INDUSTRY TECHNICAL COLLEGE
GUANGZHOU, China

Zhihua Zhong Qingpeng Zeng