100% brand new and high quality ​Features: ​They are manual head screwdriver ​Applicable for installing in electric screwdriver, hand screwdriver, electric drill and other tools ​High biting level reduces damage to the screw head , the head of screwdriver is magnetic ​Adopts the S2 alloy steel manufacturing skill and overall high-frequency quenching, super hardness, high torque, long lifetime ​Storied in upper and lower plastic case, provides different models to choose, easy to use and carry