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1.Screws of different size. 2.Drivers needed for the screw size. 3.There is the hassle of replacing.There is a problem. With a screwdriver and a folding method that can respond to the size of the electric screwdriver Torx screw with 3 levels . Press and hold for 3 seconds to secure it to screw on / off button in the body in a way that works. There's usb port at the top have been found to be able to Charging.
kaywon school of Art & design
Uiwang-si, Gyeonggi-do, South Korea
sung hui Kim,
kaywon school of Art & design