1、Magnetic Bit Design: This power screwdriver kit features a magnetic bit design, so that the internal screw parts won't fall out if the housing is opened upside down. 2、Accurate Operation: This electric screwdriver set features high and low electric torsion of 0.2/0.05N.m and manual torsion of 3N.m for fine operation. 3、Wide Application: This electric screwdriver set has a wide range of applications, and is suitable for tablet computers, cell phones, watches, electronic bracelets, cameras, accurate instruments and more. 4、Excellent Aluminum Alloy Shell: The shell of this electric screwdriver is made of excellent aluminum alloy material, which is sturdy and wear resistant, not easy to be damaged and has a long service life. 5、Ergonomic Design: The body of this power screwdriver is ergonomically designed for easy gripping and comfortable holding.