Features:1. It contains three different specifications of bits, slotted screwdrivers, Phillips screwdrivers and hexagonal screwdrivers, a total of 12 pieces, which largely meets your needs.2. Made of vanadium steel, it has high hardness, wear resistance and rust resistance, so you don’t have to worry about deformation or aging.3. Adjustable design, can be adjusted by turning the head forward and backward, when pointing to "L", the screw will be loosened, when pointing to "R", the screw will be tightened.4. Mainly used to remove stubborn screws, auto parts, rusty screws and other screws that are extremely difficult to remove.5. Equipped with a green iron box for storage, which can be taken anywhere, and because of the bright green co.