Jam Nut, Hex Type Heavy Hex Jam, Finish Black Oxide, Material Grade/Class Grade 2, Material Alloy Steel, Thread Size 1/2 In., Hex Width 7/8 in, Hex Height 19/64 in, Manufacturer Location Globally Sourced, Material Quality Standards TCMA, System of Measurement Inch, Thread Direction Right Hand, Color Black, RoHS Compliant Yes, Thread Type Coarse, Package Quantity 10