This electric screwdriver features a shaft and a aluminum alloy structure, providing accuracy in delicate tasks such as electronic repairs for fastening. The aluminum alloy body features a built-in battery to extend runtime, while the ergonomic design of the screwdriver minimizes fatigue during extended use.. Designed specifically for electronics technicians, manual enthusiasts, and professional mechanics to meet demands in complex assembly projects. Great for home appliance maintenance, intricate electronic device assembly, and large scale furniture installations demanding continuous . The rotary electric screwdriver is a aluminum tool designed for driving tasks in workshops and homes.