Atrix Nut Driver 7 mm Hex Screw Magnetic

7 mm magnetic nut drivers with powerful rare earth, self-adjusting sliding magnet. The nut driver consists of a hardened chrome-vanadium steel shaft with chrome plating and the handle has a non slip comfortable rubber grip. Unique self-adjusting sliding magnets grabs 7 mm hex screws with different heights of heads which results in better hold and less drops than fixed magnet nut drivers.