Hex Nut, Hex Type Standard Hex, Finish Black Oxide, Material Grade/Class Not Graded, Material Steel, Thread Size 7/8 In.-9, Hex Width 1 5/16 in, Hex Height 3/4 in, System of Measurement Inch, Thread Direction Left Hand, Pack Size Small Pack, Removable Yes, Rockwell Hardness B68 to C32, Thread Type Coarse, Package Quantity 10