Blind Rivet System of Measurement Inch Body Length 2 9/16 in Shank Diameter 0.25 in Product Type Blind Rivet Body Material Aluminum Head Type Dome Head Diameter 1/2 in Maximum Hole Diameter 0.25 in Minimum Material Thickness 33/64 in Maximum Material Thickness 19/32 in Material Grade/Class IFI-114-19 Mandrel Material Steel Package Quantity 25