Socket Set Screw Head Type Square Point Type Cup System of Measurement Inch Thread Size 7/8 In.-9 Overall Length 5 in Drive Type External Square Drive Size 7/8 in Material Steel Finish Plain Pack Size Small Pack Decimal Equivalent 0.875 in Dimensional Standards ASME B18.6.2 Head Height 0.672 in Head Width 7/8 in Package Quantity 5