Tamper Screw, Head Type Button, Finish Black Oxide, Material Steel, Screw Size #10, Fastener Length 1 1/4 in, Head Width 0.354 in, Head Height 0.101 in, Drive Size 5/32 in, Dimensional Standards ASME B18.6.4, Pack Size Small, Minimum Head Height 0.091 in, Maximum Head Height 0.101 in, System of Measurement Inch, Drive Hex, Package Quantity 25