Push-In Rivet System of Measurement Inch Shank Diameter 0.219 in Overall Length 13/16 in Shank Type Ribbed Material Nylon Head Type Dome Head Height 0.063 in Head Diameter 21/32 in Color Black Maximum Hole Diameter 0.219 in Maximum Material Thickness 9/16 in Product Type Push-In Rivet Minimum Material Thickness 25/64 in Manufacturer Location Made in USA Body Length 3/4 in Material Grade/Class Ungraded Package Quantity 50