Irwin Tools 3051010 3/16" Magnetic Nutsetter (3 Pieces per pack) This nutsetter is designed for use with sheet metal screws and other hexagonal-head fasteners A standard, 6-point design utilized by these nutsetters allows wide-ranging use 3/16" hex drive and 1/4" shank diameter 7/16" socket body diameter 1-7/8" overall length This nutsetter is designed for use with sheet metal screws and other hexagonal-head fasteners A standard, 6-point design utilized by these nutsetters allows wide-ranging use 3/16" hex drive and 1/4" shank diameter 7/16" socket body diameter 1-7/8" overall length