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90±20 / hand tools


It is not easy to drill a straight hole when using drill by who is not familiar with using these kind of tools , or the working space isn’t so good ,like when you drill your ceiling .
"Drill Straightly"is a design that can correct and help the user drill a absolutely straight hole.And also can drill angled hole easily.All we need to do is just lock the drill on this design,and pull back the drill to the start position along the rail,
then push the drill to drill a definitely straight hole.


Ming Chuan University

Ming Chuan University
Taoyuan, Taiwan


Ming Chuan University

Ming Chuan University
Taoyuan, Taiwan

Wei Hsin Kai Su Yi Huang Weei Chieh