1、BUILT IN STRONG MAGNET: The handle is equipped with strong magnet, which can adsorb multiple small screws when tightly biting with the hex blade, making it convenient to use. 2、MAGNETIC DESIGN: Adopting a magnetic drill bit design, if the shell is opened upside down, the internal screw components will not fall off. The entire body is magnetic, with a magnetization zone at the bottom where the drill bit contacts for 5 seconds to complete magnetization. 3、WIDELY APPLICABLE: The screwdriver set is suitable for tablets, phones, watches, electronic bracelets, cameras, accuracy instruments, etc. 4、120PCS BITS: There are 120 pieces screwdriver bits in the package that you can use them respectively to meet your needs. 5、EASY CARRYING: Comes with a storage bag and a light weight, this screwdriver set is easy to store and carry for convenient use.