Coupling Nut, Material Grade/Class Grade 2, Material Steel, Finish Zinc Plated, Thread Size 1 1/4 In.-7, Thread Style Fully Threaded, Hex Width 1 5/8 in, Overall Length 3 in, Dimensional Standards ASME B18.2.2, RoHS Compliant, Material Quality Standards SAE J995, System of Measurement Inch, Thread Direction Left Hand, Pack Size Small Pack, Rockwell Hardness C32, Package Quantity 2