± SCREWDRIVER / Industial Design

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.