3/16" x 0.3" Shank, 0.393" x 0.057" Dome Head, 0.063 to 0.125" Grip Range, Steel, Open End, Rivet Rivet Type Open End Shank Diameter 3/16 Inch Mandrel Diameter 0.114 Inch Shank Length 0.3 Inch Head Type Dome Head Diameter 0.393 Inch Head Thickness 0.057...