Socket Set Screw, Head Type Square, Point Type Cup, System of Measurement Inch, Thread Size 1/4 In. -20, Overall Length 2 1/2 in, Drive Type External Square, Drive Size 1/4 in, Material Steel, Finish Plain, Pack Size Small Pack, Decimal Equivalent 0.25 in, Dimensional Standards ASME B 18.6. 2, Head Height 0.188 in, Head Width 1/4 in, Package Quantity 50. This item has been restricted from sale in the following state (s): []