Irwin Tools 3051011 1/4" Magnetic Nutsetter, 1 7/8" 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 1/4" 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 1/4" hex drive and 1/4" shank diameter 7/16" socket body diameter 1-7/8" overall length