Push-In Rivet System of Measurement Inch Shank Diameter 0.25 in Overall Length 1/2 in Shank Type Split Material Nylon Head Type Dome Head Height 0.098 in Head Diameter 23/32 in Color Black Maximum Hole Diameter 0.25 in Maximum Material Thickness 2/9 in Product Type Push-In Rivet Finish NO FINISH - BLACK UL94 V-2 NYLON Minimum Material Thickness 1/64 in Compatible Material Metal Wood Manufacturer Location Made in USA Body Length 3/7 in Body Length Tolerance +/-0.015 in