forgedalloy steel with hightemperature quenching,high hardness,and better wear resistance Hidden,each comes with 10 screwdriver heads hidden inside the handle,making it easy to carry with magnetic adsorption Inner hexagonal magnetic reinforcement link reinforcement is not slipping,not falling off,firm and easy to use S2Tool steel,Control the direction freely,adjust the steering with a wheel,andswitch freely Equipped with tenS2 screwdriver heads,making work easier without the need for tedious replacement of screwdrivers