Tamper Resistant Screw, Head Type Flat, Finish Zinc-Plated, Material Steel, Screw Size #10, Fastener Length 1 1/2 in, Head Width 0.385 in, Head Height 0.109 in, Drive Size T20, Dimensional Standards ASME B 18.6. 4, Pack Size Small, Minimum Head Height Not Applicable, Minimum Head Width Not Applicable, Maximum Head Height 7/64 in, Maximum Head Width 25/64 in, System of Measurement Inch, Drive Tamper-Resistant Torx (R), Package Quantity 50. This item has been restricted from sale in the following state (s): []