Castle Nut, Finish Black Oxide, Material Steel, Material Grade/Class Grade 5, Thread Size 1 1/8 In.-7, Hex Width 1 11/16 in, Hex Height 1 in, Hex Type Standard Hex, Lock Type Slotted Castle, Dimensional Standards ASME B18.2.2, Material Quality Standards ASME B18.2.2, SAE J995, System of Measurement Inch, Thread Direction Right Hand, For Pin Diameter 7/32 in, Maximum Slot Width 0.33 in, Minimum Slot Width 0.24 in, Overall Height 1 in, Pack Size Small Pack, Package Quantity 5