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We often have to hammer a bit of screws into wall before twisting them in our daily life. If we can finish it with just one tool ,isn't that great? Easy twisting is the way. It was designed with a piece of iron in the end of the screwdriver, and its configuration fit your hand well. It is efficient and convenient to users.
Guangdong University Of Technology
Guangdong, China
Guangdong University Of Technology
Guangdong, China
Qimei Luo
Guangdong University Of Technology
Guangdong, China
Weibin Liang
Guangdong University Of Technology
Guangdong, China
Hongrui Li
Guangdong University Of Technology
Guangdong, China
Haochong Zhang
