alloy batch head. In order to achieve quick and simple operation, the kit contains a complete screwdriver, which no longer needs annoying screwdriver replacement. Suitable for repairing watches, jewelry, notebook computers, smart phones and other items. You can use an electronic screwdriver to turn any small slotted screw or crosshead screw. Ergonomic design, comfortable grip, non-slip handle increases grip and control. You receive a screwdriver set, which can meet the ., Weight: 0.2755778275 Pounds, Manufacturer: Jaywool