3/16" x 0.455" Shank, 0.393" x 0.081" Dome Head, 0.188 to 0.25" Grip Range, Aluminum Rivet/Steel Mandrel, Closed End, Rivet Rivet Type Closed End Shank Diameter 3/16 Inch Mandrel Diameter 0.104 Inch Shank Length 0.455 Inch Head Type Dome Head Diameter 0...