Magnetic Nutsetters are used to drive hex head nuts and screws in a wide variety of applications.Magnetic tip increases productivity and eliminates frustration when working at awkward angles or in tight spaces3X torque: Torque tested to exceed DIN standards by up to 330%1/4" hex shank with power groove for use in impact drivers and quick change adapters.Cold forged from premium shock-resisting S2 tool steel with a hardness of 58-62HRC for superior strength.