Press the handle, the screwdriver rod will automatically rotate to achieve the effect of tightening or loosening the screw, faster than other screwdrivers.Product description 1. You can easily fix the screws, and the ergonomic surface is comfortable and natural. 2. The mode can install a large number of screws quickly and efficiently. 3. One-handed pressing operation can be used in locations where other screwdrivers cannot be used.Features: Adjust the switch. Easy to use.Product attribute Material: steel, PP Heat treatment: HRC45-50 System: MetricWarm reminder 1. Please remember that due to the lighting effects, the monitor's brightness / contrast settings / etc's, there will be some slight differences in the color of the pictures and the actual items. Measured by hand, deviations of 1-2 cm are possible. 2. Please leave us a message if you have any questions. We will respond and offer you our best service.