3/16" x 0.54" Shank, 0.351" x 0.055" Countersunk Head, 0.094 to 0.25" Grip Range, Steel, 120D, Multi-Grip, Break Stem, Rivet Rivet Type 120 Degree, Multi-Grip, Break Stem Shank Diameter 3/16 Inch Mandrel Diameter 0.118 Inch Shank Length 0.54 Inch Head...