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百變起子 / Variety screwdriver

百變起子

In this design, we combined a variety of screwdrivers, and the appearance is more like the original pen. This saves construction time.

University

National Pingtung University of Sci

National Pingtung University of Sci
Pingtung County, Taiwan

信杰 柳,
National Pingtung University of Sci

宸瑋 劉,
National Pingtung University of Sci